• Sedna
  Sedna (mythology)
  In Inuit mythology, Sedna is the goddess of the sea and marine animals such as seals. A creation myth, the story of Sedna shows how she came to rule over Adlivun, the Inuit underworld...
  
  , the Inuit goddess of the sea
• 90377 Sedna
  90377 Sedna
  90377 Sedna is a trans-Neptunian object discovered in 2003, which was about three times as far from the Sun as Neptune. For most of its orbit it is even further from the Sun, with its aphelion estimated at 960 astronomical units , making it one of the most distant known objects in the Solar System...
  
  , an object in the Sun's far outer Solar System discovered in 2003
• Sedna
  Sedna (database)
  Sedna is an open source database management system that provides native storage for XML data.The distinctive design decisions employed in Sedna are schema-based clustering storage strategy for XML data and memory management based on layered address space.- Data Organization :Data organization in...
  
  , a native XML database

See also

• Sétna Airt
  Sétna Airt
  Sétna Airt, son of Artrí, son of Éber, son of Ír, son of Míl Espáine, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He came to power after the death of the previous incumbent, Rothechtaid mac Main, whom, according to one version of the story, he had...
  
  , son of Artrí, son of Éber, son of Ír, son of Míl Espáine
• Sétna Innarraid
  Sétna Innarraid
  Sétna Innarraid , son of Bres Rí, was, according to medieval Irish legend and historical tradition, a High King of Ireland. He is said to have been the first Irish king to pay his soldiers. He ruled for twenty years, before he was killed by Siomón Brecc, grandson of Nuadu Finn Fáil...
  
  , son of Bres Rí
• Sedna Finance
  Sedna Finance
  Sedna Finance is an SIV managed by Citi group. It is notable for being the first modern 3 tier structured SIV. It was not, however, the first 3 tier SIV, as much older SIV's such as Asset Backed Capital used 3 tier structures; these old structures used much larger proportions of junior capital...
  
  , a structured investment vehicle
• Sedna Planitia
  Sedna Planitia
  Sedna Planitia is a large lowland area of Venus, south of Ishtar Terra.It is thought to be lava-covered and similar to a lunar mare....
  
  , a landform on the planet Venus
• Sedna IV (vessel)
  Sedna IV (vessel)
  The Sedna IV is a 50 metre three-masted schooner which has been used for scientific expeditions and the filming of documentaries....
  
   a modern sailing ship
• Glossodoris sedna
  Glossodoris sedna
  Glossodoris sedna is a species of colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.- Description :...
  
  , a species of nudibranch