The following is a list of rivers and creeks in Iowa. The river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s are listed by multiple arrangements:

• those that form part of the boundaries of the U.S. state
  U.S. state
  A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...
  
   of Iowa
  Iowa
  Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...
  
  ;
• ordered by drainage basin, with tributaries indented under each larger river's name;
• ordered alphabetically.

Rivers on the boundary

• Mississippi River
  Mississippi River
  The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...
  
   (Illinois
  Illinois
  Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
  
  , Wisconsin
  Wisconsin
  Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...
  
  )
• Missouri River
  Missouri River
  The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...
  
   (Nebraska
  Nebraska
  Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....
  
  )
• Big Sioux River
  Big Sioux River
  The Big Sioux River is a tributary of the Missouri River, long, in eastern South Dakota and northwestern Iowa in the United States. The United States Board on Geographic Names settled on "Big Sioux River" as the stream's name in 1961....
  
   (South Dakota
  South Dakota
  South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...
  
  )
• Des Moines River
  Des Moines River
  The Des Moines River is a tributary river of the Mississippi River, approximately long to its farther headwaters, in the upper Midwestern United States...
  
   (20 miles (32.2 km) of the boundary with Missouri
  Missouri
  Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
  
  )

Ordered by drainage basin

This list is arranged by drainage basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

, with respective tributaries indented under each larger stream's name. All Iowa rivers are part of the Mississippi River Watershed, which in Iowa consists of the Upper Mississippi River Drainage Basin and the Missouri River

Missouri River

The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...

 Drainage Basin.

Upper Mississippi River Drainage Basin

• Mississippi River
  Mississippi River
  The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...
  
  
  • Fabius River (MO)
    • North Fabius River
      Fabius River
      The Fabius River is a tributary of the Mississippi River in northeastern Missouri in the United States. It is formed near its mouth by the confluence of the North Fabius River and the South Fabius River. The North Fabius River also flows through southeastern Iowa...
      
      
  • Wyaconda River
  • Fox River
    • Little Fox River
  • Des Moines River
    Des Moines River
    The Des Moines River is a tributary river of the Mississippi River, approximately long to its farther headwaters, in the upper Midwestern United States...
    
    
    • Competine Creek
      Competine Creek (Des Moines River)
      Competine Creek is a tributary of the Des Moines River, joining it at Lake Red Rock. It rises to the southwest of Knoxville in Marion County, Iowa....
      
      
    • White Breast Creek
      White Breast Creek
      White Breast Creek is an important tributary of the Des Moines River in Iowa. It flows from southwest to northeast, rising in Ward Township in Union County, near Osceola, and flowing in an easterly then a northeasterly direction, to its mouth with the Des Moines River at Lake Red...
      
      
    • South River
      South River (Iowa)
      South River is a river in Iowa. It is a small river and very seldom is wider than or deeper than .It flows into the Des Moines River and so subsequently into Lake Red Rock.-Recreation:...
      
      
    • Middle River
      Middle River (Iowa)
      The Middle River is a tributary of the Des Moines River in south-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
      
      
    • North River
      North River (Iowa)
      The North River is a tributary of the Des Moines River in south-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
      
      
    • Raccoon River
      Raccoon River
      The Raccoon River is a tributary of the Des Moines River in central Iowa in the United States. As measured using the longest of its three forks, its length increases to...
      
      
      • North Raccoon River
      • South Raccoon River
        • Middle Raccoon River
    • Beaver Creek
    • Pea's Creek
      • Davis Creek
    • Boone River
      Boone River
      The Boone River is a tributary of the Des Moines River in north-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
      
      
      • White Fox Creek
    • Lizard Creek
    • East Fork Des Moines River
      Des Moines River
      The Des Moines River is a tributary river of the Mississippi River, approximately long to its farther headwaters, in the upper Midwestern United States...
      
      
  • Skunk River
    Skunk River
    The Skunk River is a tributary of the Mississippi River in the state of Iowa in the United States.It rises in two branches, the South Skunk and the North Skunk . The headwaters of the South Skunk are in Hamilton County in north central Iowa. It flows roughly due southward, to the west of...
    
    
    • Cedar Creek
    • North Skunk River
      Skunk River
      The Skunk River is a tributary of the Mississippi River in the state of Iowa in the United States.It rises in two branches, the South Skunk and the North Skunk . The headwaters of the South Skunk are in Hamilton County in north central Iowa. It flows roughly due southward, to the west of...
      
      
    • South Skunk River
      Skunk River
      The Skunk River is a tributary of the Mississippi River in the state of Iowa in the United States.It rises in two branches, the South Skunk and the North Skunk . The headwaters of the South Skunk are in Hamilton County in north central Iowa. It flows roughly due southward, to the west of...
      
      
      • Thunder Creek
      • Squaw Creek
  • Flint River
  • Iowa River
    Iowa River
    The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about long and is open to small river craft to Iowa City, about from its mouth...
    
    
    • Cedar River
      • Wolf Creek
      • Beaver Creek
      • West Fork Cedar River
        • Shell Rock River
          Shell Rock River
          The Shell Rock River is a tributary of the Cedar River in southern Minnesota and northern Iowa in the United States. Via the Cedar and Iowa rivers, it is part of the watershed of the Mississippi River. The United States Board on Geographic Names settled on "Shell Rock River" as the stream's name...
          
          
          • Winnebago River
            Winnebago River
            The Winnebago River is a river in northern Iowa. It is a tributary of the Shell Rock River, part of the Cedar River watershed that flows via the Iowa River to the Mississippi River. The Winnebago River rises in Winnebago County, Iowa north of Leland and flows south through Forest City, then east...
            
            
            • Lime Creek
              Lime Creek (Winnebago River)
              Lime Creek is a tributary of the Winnebago River in Minnesota and Iowa. Via the Winnebago, Shell Rock, Cedar, and Iowa rivers, it is part of the Mississippi River watershed.-See also:*List of rivers of Iowa*List of rivers of Minnesota-References:*...
              
              
      • Little Cedar River
    • English River
      English River (Iowa)
      The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long. Including its longest headwaters tributary, the North English River, the total length increases to . Via the Iowa River, it is part of the Mississippi River...
      
      
      • North English River
        English River (Iowa)
        The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long. Including its longest headwaters tributary, the North English River, the total length increases to . Via the Iowa River, it is part of the Mississippi River...
        
        
        • Middle English River
          English River (Iowa)
          The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long. Including its longest headwaters tributary, the North English River, the total length increases to . Via the Iowa River, it is part of the Mississippi River...
          
          
        • Deep River
      • South English River
        English River (Iowa)
        The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long. Including its longest headwaters tributary, the North English River, the total length increases to . Via the Iowa River, it is part of the Mississippi River...
        
        
    • South Fork Iowa River
      Iowa River
      The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about long and is open to small river craft to Iowa City, about from its mouth...
      
      
    • East Branch Iowa River
      Iowa River
      The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about long and is open to small river craft to Iowa City, about from its mouth...
      
      
    • West Branch Iowa River
      Iowa River
      The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about long and is open to small river craft to Iowa City, about from its mouth...
      
      
  • Wapsipinicon River
    Wapsipinicon River
    The Wapsipinicon River is a tributary of the Mississippi River, approximately long, in northeastern Iowa in the United States. It drains a rural farming region of rolling hills and bluffs north of Waterloo and Cedar Rapids. The initial vowel rhymes with "pop".It rises in Mower County, Minnesota...
    
    
    • Little Wapsipinicon River (south)
    • Little Wapsipinicon River (north)
  • Elk River
  • Maquoketa River
    Maquoketa River
    The Maquoketa River is a tributary of the Mississippi River, approximately long, in northeastern Iowa in the United States. Its watershed covers within a rural region of rolling hills and farmland southwest of Dubuque. It is not to be confused with the Little Maquoketa River, another distinct...
    
    
    • North Fork Maquoketa River
      Maquoketa River
      The Maquoketa River is a tributary of the Mississippi River, approximately long, in northeastern Iowa in the United States. Its watershed covers within a rural region of rolling hills and farmland southwest of Dubuque. It is not to be confused with the Little Maquoketa River, another distinct...
      
      
  • Catfish Creek
    Catfish Creek (Iowa)
    Catfish Creek is a tributary of the upper Mississippi River in northeastern Iowa. It rises southwest of Dubuque, just southeast of Peosta. The Middle Fork rises west of Dubuque and flows under and then parallel to U.S. Route 20; the former Illinois Central Railroad, now the Chicago Central and...
    
    
  • Little Maquoketa River
    Little Maquoketa River
    The Little Maquoketa River is a direct tributary of the upper Mississippi River. It must be distinguished from the Maquoketa River, a distinct and separate river ; these two rivers are not tributary to one or the other.The Little Maquoketa River is largely confined to Dubuque County, Iowa, and...
    
    
    • Cloie Branch
  • Turkey River
    Turkey River (Iowa)
    The Turkey River is a tributary of the upper Mississippi River. Its main branch rises in Howard County, Iowa, near the city of Cresco. The other counties it or its tributaries cover are Chickasaw, Winneshiek, Fayette, Clayton, Delaware, and Dubuque....
    
    
    • Little Turkey River (Clayton County, Iowa)
    • Volga River
      Volga River (Iowa)
      The Volga River is an river in the U.S. state of Iowa. It is the major tributary of the Turkey River in the northeastern part of the state. The river runs through Fayette and Clayton counties before joining the Turkey River near Elkport. The Turkey River then runs into the Mississippi River near...
      
      
    • Little Turkey River (Fayette County, Iowa)
  • Yellow River
    Yellow River (Iowa)
    The Yellow River is a tributary of the Mississippi River in northeastern Iowa. It originates in southwestern Winneshiek County and flows through southern Allamakee County, receiving tributaries from northern Clayton County, before joining the Mississippi near Marquette and Effigy Mounds National...
    
    
    • Bear Creek
    • Norfolk Creek
      Norfolk Creek
      Norfolk Creek is a tributary of the Yellow River in Iowa. in length, it rises just to the west of the city of Waukon in Union Prairie and Ludlow townships. It joins the Yellow River in Jefferson Township. It courses through entirely rural countryside, much of it forested. The original name of this...
      
      
  • Upper Iowa River
    Upper Iowa River
    The Upper Iowa River is a tributary of the Mississippi River in the upper Midwest of the United States.Its headwaters are in southeastern Minnesota, in Mower County near the border with Iowa. It then flows through the Iowa counties of Howard, Winneshiek, and Allamakee, and finally into the Upper...
    
    
    • French Creek
    • Bear Creek
      Bear Creek (Upper Iowa River)
      Bear Creek is an tributary of the Upper Iowa River, joining Waterloo Creek for a short distance before entering the Upper Iowa in Waterloo Township just east of where Iowa Highway 76 crosses the river...
      
      
      • Waterloo Creek
        Waterloo Creek (Upper Iowa River)
        Waterloo Creek is a tributary of the Upper Iowa River, with a watershed covering . It rises as Bee Creek in Houston County, Minnesota, southwest of the city of Spring Grove, flowing generally in a southeasterly direction, crossing into Waterloo Township in Allamakee County, Iowa, where it becomes...
        
        
    • Canoe Creek
      Canoe Creek (Upper Iowa River)
      Canoe Creek is a tributary of the Upper Iowa River. It rises in Burr Oak Township in Winneshiek County, Iowa. North Canoe Creek rises in Hesper Township, meeting the main stream in Canoe Township...
      
      
      • Pine Creek (Canoe Creek)
        Pine Creek (Canoe Creek)
        Pine Creek is a tributary to Canoe Creek in the Upper Iowa River watershed in northeast Iowa; see Pine Creek for the larger nearby stream of the same name....
        
        
    • Trout River
      Trout River (Iowa)
      The Trout River is a tributary of the Upper Iowa River in northeastern Iowa. It rises in Frankville Township in Winneshiek County, south of Iowa Highway 9, and flows north to join the Upper Iowa River in Glenwood Township, east of Decorah. It is joined from the west by a major tributary, Trout Creek...
      
      
    • Pine Creek (Upper Iowa River)
      Pine Creek (Upper Iowa River)
      Pine Creek is a tributary to the Upper Iowa River in northeastern Iowa; see Pine Creek for the smaller nearby stream of the same name. It rises in southern Fillmore County, Minnesota, between Harmony and Canton, crossing into Winneshiek County, Iowa, in Burr Oak Township in a southwest to...
      
      
  • Minnesota River (MN)
    • Blue Earth River
      Blue Earth River
      The Blue Earth River is a tributary of the Minnesota River, 108 miles long, in southern Minnesota in the United States, it is also a Minnesota Department of Natural Resources designated Water Trail. Two of its headwaters tributaries, the Middle Branch Blue Earth River and the West Branch...
      
      

Missouri River Drainage Basin

• Missouri River
  Missouri River
  The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...
  
  
  • Chariton River
    Chariton River
    The Chariton River is a tributary to the Missouri River in southeast Iowa and northeast Missouri.It has been called Missouri's "Grand Divide" because streams west of the Chariton flow into the Missouri and streams east of it flow into the Mississippi River....
    
    
    • South Fork Chariton River
      Chariton River
      The Chariton River is a tributary to the Missouri River in southeast Iowa and northeast Missouri.It has been called Missouri's "Grand Divide" because streams west of the Chariton flow into the Missouri and streams east of it flow into the Mississippi River....
      
      
  • Grand River
    Grand River (Missouri)
    The Grand River is a river that stretches from northernmost tributary origins between Creston and Winterset in Iowa approximately to its mouth on the Missouri River near Brunswick, Missouri....
    
    
    • Thompson River
      Thompson River (Missouri)
      The Thompson River is the largest tributary of the Grand River in the central United States, flowing from southern Iowa into Missouri. The river is long, and its drainage basin is roughly , of which are in Missouri....
      
      
      • Weldon River
        • Little River
  • Platte River
    Platte River (Missouri)
    The Platte River is a tributary of the Missouri River, about long, in southwestern Iowa and northwestern Missouri in the United States. It is sometimes known as the Little Platte River to distinguish it from the larger Platte River, also a tributary of the Missouri, in nearby Nebraska; the Platte...
    
    
  • Nodaway River
    Nodaway River
    The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
    
    
    • East Nodaway River
      Nodaway River
      The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
      
      
      • East Fork East Nodaway River
        Nodaway River
        The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
        
        
    • West Nodaway River
      Nodaway River
      The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
      
      
      • Middle Nodaway River
        Nodaway River
        The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
        
        
      • West Fork Middle Nodaway River
        Nodaway River
        The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
        
        
        • Rutt Branch
          Rutt Branch
          The Rutt Branch of the West Fork of the Middle Nodaway River is a stream in Adair County, Iowa. It is located at . It is long.In the Adair County plat book, Rutt Branch is erroneously spelled "Ruit" Branch. It flows mainly through the northeastern part of Jackson township and northwestern part...
          
          
  • Tarkio River
    Tarkio River
    The Tarkio River is a non-navigable river that stretches for approximately from Cass County, Iowa to its mouth on the Missouri River in Holt County, Missouri....
    
    
  • Nishnabotna River
    Nishnabotna River
    The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
    
    
    • East Nishnabotna River
      Nishnabotna River
      The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
      
      
    • West Nishnabotna River
      Nishnabotna River
      The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
      
      
      • Walnut Creek
      • Silver Creek
      • East Branch West Nishnabotna River
        Nishnabotna River
        The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
        
        
      • West Fork West Nishnabotna River
        Nishnabotna River
        The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
        
        
  • Keg Creek
  • Mosquito Creek
    Mosquito Creek (Iowa)
    Mosquito Creek, about 60 mi. long, is a tributary of the Missouri River in southwest Iowa in the United States. It rises near Earling, in Shelby County, and flows in a generally southwesterly direction, meeting the Missouri approximately 5 mi. downstream of Council Bluffs.-External links:*...
    
    
  • Boyer River
    Boyer River
    The Boyer River is a tributary of the Missouri River, long, in western Iowa in the United States. Most reaches of the river's course have been straightened and channelized....
    
    
    • Willow River
    • East Boyer River
      Boyer River
      The Boyer River is a tributary of the Missouri River, long, in western Iowa in the United States. Most reaches of the river's course have been straightened and channelized....
      
      
  • Soldier River
    Soldier River
    The Soldier River is a tributary of the Missouri River, about long, in western Iowa in the United States. Several portions of the river's course have been straightened and channelized....
    
    
    • East Soldier River
      Soldier River
      The Soldier River is a tributary of the Missouri River, about long, in western Iowa in the United States. Several portions of the river's course have been straightened and channelized....
      
      
      • Middle Soldier River
        Soldier River
        The Soldier River is a tributary of the Missouri River, about long, in western Iowa in the United States. Several portions of the river's course have been straightened and channelized....
        
        
  • Little Sioux River
    Little Sioux River
    The Little Sioux is a river in the United States. It rises in southwest Minnesota near the Iowa border, and continues to flow southwest for across northwest Iowa into the Missouri River at Little Sioux. The Little Sioux River was known as Eaneah-waudepon or "Stone River" to the Sioux Indians...
    
    
    • Maple River
      Maple River (Iowa)
      The Maple River is a river in the United States. It flows through western Iowa and is long. The Maple River rises in Buena Vista County, and flows generally southwest through Ida Grove, Battle Creek, Danbury, and Mapleton finally joining with the Little Sioux River near Turin. Much of the river...
      
      
    • Ocheyedan River
      Ocheyedan River
      The Ocheyedan River is a tributary of the Little Sioux River, 58 mi long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Little Sioux and Missouri Rivers, it is part of the watershed of the Mississippi River...
      
      
      • Little Ocheyedan River
        Ocheyedan River
        The Ocheyedan River is a tributary of the Little Sioux River, 58 mi long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Little Sioux and Missouri Rivers, it is part of the watershed of the Mississippi River...
        
        
    • West Fork Little Sioux River
      West Fork of the Little Sioux River
      West Fork of the Little Sioux River is a river in the United States. Approximately long, it courses through northwest Iowa, rising north of Marcus in Cherokee County and flowing generally southwest through farmland in Plymouth and Woodbury counties until the meandered streambed finally meets the...
      
      
  • Floyd River
    Floyd River
    The Floyd River is a tributary of the Missouri River, long, in northwestern Iowa in the United States. It enters the Missouri at Sioux City, and is named for Charles Floyd, a member of the Lewis and Clark Expedition.-Course:...
    
    
    • West Branch Floyd River
      Floyd River
      The Floyd River is a tributary of the Missouri River, long, in northwestern Iowa in the United States. It enters the Missouri at Sioux City, and is named for Charles Floyd, a member of the Lewis and Clark Expedition.-Course:...
      
      
      • Little Floyd River
  • Perry Creek
    Perry Creek
    Perry Creek is a tributary of the Missouri River in the state of Iowa. It rises in central Plymouth County and flows generally to the south-by-southwest, crossing the Woodbury County line at the city limits of Sioux City, north of Briar Cliff University and the Sioux City Country Club...
    
    
  • Big Sioux River
    Big Sioux River
    The Big Sioux River is a tributary of the Missouri River, long, in eastern South Dakota and northwestern Iowa in the United States. The United States Board on Geographic Names settled on "Big Sioux River" as the stream's name in 1961....
    
    
    • Broken Kettle Creek
      Broken Kettle Creek
      Broken Kettle Creek is a stream in Plymouth County, Iowa. It is a tributary of the Big Sioux River. The creek rises in Preston Township, flows generally south by southwest, and meets the Big Sioux River in Hancock Township, approximately three miles northeast of Jefferson, South...
      
      
    • Rock River
      Rock River (Iowa)
      The Rock River is a tributary of the Big Sioux River, about long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Big Sioux and Missouri rivers, it is part of the watershed of the Mississippi River.-Course:...
      
      
      • Little Rock River

Ordered alphabetically

• Bear Creek (Upper Iowa River)
  Bear Creek (Upper Iowa River)
  Bear Creek is an tributary of the Upper Iowa River, joining Waterloo Creek for a short distance before entering the Upper Iowa in Waterloo Township just east of where Iowa Highway 76 crosses the river...
  
  
• Bear Creek (Yellow River)
• Beaver Creek (Cedar River)
• Beaver Creek (Polk County, Iowa), a tributary of the Des Moines River
• Big Sioux River
  Big Sioux River
  The Big Sioux River is a tributary of the Missouri River, long, in eastern South Dakota and northwestern Iowa in the United States. The United States Board on Geographic Names settled on "Big Sioux River" as the stream's name in 1961....
  
  
• Black Fox Creek
• Blue Earth River
  Blue Earth River
  The Blue Earth River is a tributary of the Minnesota River, 108 miles long, in southern Minnesota in the United States, it is also a Minnesota Department of Natural Resources designated Water Trail. Two of its headwaters tributaries, the Middle Branch Blue Earth River and the West Branch...
  
  
• Boone River
  Boone River
  The Boone River is a tributary of the Des Moines River in north-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
  
  
• Boyer River
  Boyer River
  The Boyer River is a tributary of the Missouri River, long, in western Iowa in the United States. Most reaches of the river's course have been straightened and channelized....
  
  
• Broken Kettle Creek
  Broken Kettle Creek
  Broken Kettle Creek is a stream in Plymouth County, Iowa. It is a tributary of the Big Sioux River. The creek rises in Preston Township, flows generally south by southwest, and meets the Big Sioux River in Hancock Township, approximately three miles northeast of Jefferson, South...
  
  
• Canoe Creek
  Canoe Creek (Upper Iowa River)
  Canoe Creek is a tributary of the Upper Iowa River. It rises in Burr Oak Township in Winneshiek County, Iowa. North Canoe Creek rises in Hesper Township, meeting the main stream in Canoe Township...
  
  
• Catfish Creek
  Catfish Creek (Iowa)
  Catfish Creek is a tributary of the upper Mississippi River in northeastern Iowa. It rises southwest of Dubuque, just southeast of Peosta. The Middle Fork rises west of Dubuque and flows under and then parallel to U.S. Route 20; the former Illinois Central Railroad, now the Chicago Central and...
  
  
• Cedar River
• Chariton River
  Chariton River
  The Chariton River is a tributary to the Missouri River in southeast Iowa and northeast Missouri.It has been called Missouri's "Grand Divide" because streams west of the Chariton flow into the Missouri and streams east of it flow into the Mississippi River....
  
  
• Cloie Branch
• Competine Creek
  Competine Creek (Des Moines River)
  Competine Creek is a tributary of the Des Moines River, joining it at Lake Red Rock. It rises to the southwest of Knoxville in Marion County, Iowa....
  
  
• Davis Creek
• Deep River
• Des Moines River
  Des Moines River
  The Des Moines River is a tributary river of the Mississippi River, approximately long to its farther headwaters, in the upper Midwestern United States...
  
  
• Elk River
• English River
  English River (Iowa)
  The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long. Including its longest headwaters tributary, the North English River, the total length increases to . Via the Iowa River, it is part of the Mississippi River...
  
  
• Flint River
• Floyd River
  Floyd River
  The Floyd River is a tributary of the Missouri River, long, in northwestern Iowa in the United States. It enters the Missouri at Sioux City, and is named for Charles Floyd, a member of the Lewis and Clark Expedition.-Course:...
  
  
• Fox River
• French Creek
• Grand River
  Grand River (Missouri)
  The Grand River is a river that stretches from northernmost tributary origins between Creston and Winterset in Iowa approximately to its mouth on the Missouri River near Brunswick, Missouri....
  
  
• Iowa River
  Iowa River
  The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about long and is open to small river craft to Iowa City, about from its mouth...
  
  
• Lime Creek
  Lime Creek (Winnebago River)
  Lime Creek is a tributary of the Winnebago River in Minnesota and Iowa. Via the Winnebago, Shell Rock, Cedar, and Iowa rivers, it is part of the Mississippi River watershed.-See also:*List of rivers of Iowa*List of rivers of Minnesota-References:*...
  
  
• Little Cedar River
• Little Fox River
• Little Maquoketa River
  Little Maquoketa River
  The Little Maquoketa River is a direct tributary of the upper Mississippi River. It must be distinguished from the Maquoketa River, a distinct and separate river ; these two rivers are not tributary to one or the other.The Little Maquoketa River is largely confined to Dubuque County, Iowa, and...
  
  
• Little Ocheyedan River
• Little River
• Little Rock River
• Little Sioux River
  Little Sioux River
  The Little Sioux is a river in the United States. It rises in southwest Minnesota near the Iowa border, and continues to flow southwest for across northwest Iowa into the Missouri River at Little Sioux. The Little Sioux River was known as Eaneah-waudepon or "Stone River" to the Sioux Indians...
  
  
• Little Turkey River (Clayton County, Iowa)
• Little Turkey River (Fayette County, Iowa)
• Little Wapsipinicon River (north)
• Little Wapsipinicon River (south)
• Maple River
  Maple River (Iowa)
  The Maple River is a river in the United States. It flows through western Iowa and is long. The Maple River rises in Buena Vista County, and flows generally southwest through Ida Grove, Battle Creek, Danbury, and Mapleton finally joining with the Little Sioux River near Turin. Much of the river...
  
  

• Maquoketa River
  Maquoketa River
  The Maquoketa River is a tributary of the Mississippi River, approximately long, in northeastern Iowa in the United States. Its watershed covers within a rural region of rolling hills and farmland southwest of Dubuque. It is not to be confused with the Little Maquoketa River, another distinct...
  
  
• Middle River
  Middle River (Iowa)
  The Middle River is a tributary of the Des Moines River in south-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
  
  
• Mississippi River
  Mississippi River
  The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...
  
  
• Missouri River
  Missouri River
  The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...
  
  
• Mosquito Creek
  Mosquito Creek (Iowa)
  Mosquito Creek, about 60 mi. long, is a tributary of the Missouri River in southwest Iowa in the United States. It rises near Earling, in Shelby County, and flows in a generally southwesterly direction, meeting the Missouri approximately 5 mi. downstream of Council Bluffs.-External links:*...
  
  
• Nishnabotna River
  Nishnabotna River
  The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River...
  
  
• Nodaway River
  Nodaway River
  The Nodaway River is a river in southwest Iowa and northwest Missouri.-Etymology:The river's name first appears in the journal of Lewis and Clark, who camped at the mouth of the river on July 8, 1804, but who provide no derivation of the name. There exist several proposed etymologies...
  
  
• Norfolk Creek
  Norfolk Creek
  Norfolk Creek is a tributary of the Yellow River in Iowa. in length, it rises just to the west of the city of Waukon in Union Prairie and Ludlow townships. It joins the Yellow River in Jefferson Township. It courses through entirely rural countryside, much of it forested. The original name of this...
  
  
• North Fabius River
  Fabius River
  The Fabius River is a tributary of the Mississippi River in northeastern Missouri in the United States. It is formed near its mouth by the confluence of the North Fabius River and the South Fabius River. The North Fabius River also flows through southeastern Iowa...
  
  
• North River
  North River (Iowa)
  The North River is a tributary of the Des Moines River in south-central Iowa in the United States. It is long and drains an area of . Via the Des Moines River, it is part of the watershed of the Mississippi River....
  
  
• Ocheyedan River
  Ocheyedan River
  The Ocheyedan River is a tributary of the Little Sioux River, 58 mi long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Little Sioux and Missouri Rivers, it is part of the watershed of the Mississippi River...
  
  
• Pea's Creek
• Perry Creek
  Perry Creek
  Perry Creek is a tributary of the Missouri River in the state of Iowa. It rises in central Plymouth County and flows generally to the south-by-southwest, crossing the Woodbury County line at the city limits of Sioux City, north of Briar Cliff University and the Sioux City Country Club...
  
  
• Pine Creek (Canoe Creek)
  Pine Creek (Canoe Creek)
  Pine Creek is a tributary to Canoe Creek in the Upper Iowa River watershed in northeast Iowa; see Pine Creek for the larger nearby stream of the same name....
  
  
• Pine Creek (Upper Missouri River)
• Platte River
  Platte River (Missouri)
  The Platte River is a tributary of the Missouri River, about long, in southwestern Iowa and northwestern Missouri in the United States. It is sometimes known as the Little Platte River to distinguish it from the larger Platte River, also a tributary of the Missouri, in nearby Nebraska; the Platte...
  
  
• Raccoon River
  Raccoon River
  The Raccoon River is a tributary of the Des Moines River in central Iowa in the United States. As measured using the longest of its three forks, its length increases to...
  
  
• Rock River
  Rock River (Iowa)
  The Rock River is a tributary of the Big Sioux River, about long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Big Sioux and Missouri rivers, it is part of the watershed of the Mississippi River.-Course:...
  
  
• Rutt Branch
  Rutt Branch
  The Rutt Branch of the West Fork of the Middle Nodaway River is a stream in Adair County, Iowa. It is located at . It is long.In the Adair County plat book, Rutt Branch is erroneously spelled "Ruit" Branch. It flows mainly through the northeastern part of Jackson township and northwestern part...
  
  
• Shell Rock River
  Shell Rock River
  The Shell Rock River is a tributary of the Cedar River in southern Minnesota and northern Iowa in the United States. Via the Cedar and Iowa rivers, it is part of the watershed of the Mississippi River. The United States Board on Geographic Names settled on "Shell Rock River" as the stream's name...
  
  
• Skunk River
  Skunk River
  The Skunk River is a tributary of the Mississippi River in the state of Iowa in the United States.It rises in two branches, the South Skunk and the North Skunk . The headwaters of the South Skunk are in Hamilton County in north central Iowa. It flows roughly due southward, to the west of...
  
  
• Soldier River
  Soldier River
  The Soldier River is a tributary of the Missouri River, about long, in western Iowa in the United States. Several portions of the river's course have been straightened and channelized....
  
  
• South River
  South River (Iowa)
  South River is a river in Iowa. It is a small river and very seldom is wider than or deeper than .It flows into the Des Moines River and so subsequently into Lake Red Rock.-Recreation:...
  
  
• Squaw Creek
• Tarkio River
  Tarkio River
  The Tarkio River is a non-navigable river that stretches for approximately from Cass County, Iowa to its mouth on the Missouri River in Holt County, Missouri....
  
  
• Thompson River
  Thompson River (Missouri)
  The Thompson River is the largest tributary of the Grand River in the central United States, flowing from southern Iowa into Missouri. The river is long, and its drainage basin is roughly , of which are in Missouri....
  
  
• Thunder Creek
• Trout River
  Trout River (Iowa)
  The Trout River is a tributary of the Upper Iowa River in northeastern Iowa. It rises in Frankville Township in Winneshiek County, south of Iowa Highway 9, and flows north to join the Upper Iowa River in Glenwood Township, east of Decorah. It is joined from the west by a major tributary, Trout Creek...
  
  
• Turkey River
  Turkey River (Iowa)
  The Turkey River is a tributary of the upper Mississippi River. Its main branch rises in Howard County, Iowa, near the city of Cresco. The other counties it or its tributaries cover are Chickasaw, Winneshiek, Fayette, Clayton, Delaware, and Dubuque....
  
  
• Upper Iowa River
  Upper Iowa River
  The Upper Iowa River is a tributary of the Mississippi River in the upper Midwest of the United States.Its headwaters are in southeastern Minnesota, in Mower County near the border with Iowa. It then flows through the Iowa counties of Howard, Winneshiek, and Allamakee, and finally into the Upper...
  
  
• Volga River
  Volga River (Iowa)
  The Volga River is an river in the U.S. state of Iowa. It is the major tributary of the Turkey River in the northeastern part of the state. The river runs through Fayette and Clayton counties before joining the Turkey River near Elkport. The Turkey River then runs into the Mississippi River near...
  
  
• Wapsipinicon River
  Wapsipinicon River
  The Wapsipinicon River is a tributary of the Mississippi River, approximately long, in northeastern Iowa in the United States. It drains a rural farming region of rolling hills and bluffs north of Waterloo and Cedar Rapids. The initial vowel rhymes with "pop".It rises in Mower County, Minnesota...
  
  
• Waterloo Creek
  Waterloo Creek (Upper Iowa River)
  Waterloo Creek is a tributary of the Upper Iowa River, with a watershed covering . It rises as Bee Creek in Houston County, Minnesota, southwest of the city of Spring Grove, flowing generally in a southeasterly direction, crossing into Waterloo Township in Allamakee County, Iowa, where it becomes...
  
  
• Weldon River
• West Fork of the Little Sioux River
  West Fork of the Little Sioux River
  West Fork of the Little Sioux River is a river in the United States. Approximately long, it courses through northwest Iowa, rising north of Marcus in Cherokee County and flowing generally southwest through farmland in Plymouth and Woodbury counties until the meandered streambed finally meets the...
  
  
• White Breast Creek
  White Breast Creek
  White Breast Creek is an important tributary of the Des Moines River in Iowa. It flows from southwest to northeast, rising in Ward Township in Union County, near Osceola, and flowing in an easterly then a northeasterly direction, to its mouth with the Des Moines River at Lake Red...
  
  
• Winnebago River
  Winnebago River
  The Winnebago River is a river in northern Iowa. It is a tributary of the Shell Rock River, part of the Cedar River watershed that flows via the Iowa River to the Mississippi River. The Winnebago River rises in Winnebago County, Iowa north of Leland and flows south through Forest City, then east...
  
  
• Wyaconda River
• Yellow River
  Yellow River (Iowa)
  The Yellow River is a tributary of the Mississippi River in northeastern Iowa. It originates in southwestern Winneshiek County and flows through southern Allamakee County, receiving tributaries from northern Clayton County, before joining the Mississippi near Marquette and Effigy Mounds National...