In military and weaponry

• BL 13.5 inch Mk V naval gun (1912); British gun that was a defining feature of the super-dreadnought Orion-class battleships
• QF 4 inch Mk V naval gun
  QF 4 inch Mk V naval gun
  The QF 4 inch Mk V gun was a Royal Navy gun of World War I which was adapted on HA mountings to the heavy anti-aircraft role both at sea and on land, and was also used as a coast defence gun.-Naval service:...
  
   (1914); British naval gun used for coastal defense and anti-aircraft
• Mark V tank, a series of variations of the World War I Mark I tank
  • Mark V Composite tank in Estonian service; specific design and service of the Mark V tank as used by Estonia
• BL 8 inch Howitzer Mk 1 - 5
  BL 8 inch Howitzer Mk 1 - 5
  The BL 8-Inch Howitzer Mark I through to Mark V were a British improvisation developed early in the First World War to provide heavy artillery...
  
  ; World War I British gun, heavy and short-range
• Mk 5 mine
  Mk 5 mine
  The Mk 5 or Mine G.S. Mk V was a cylindrical metal cased U.K. anti-tank blast mine that entered service in 1943, during the Second World War. It was replaced in British service with the Mk 7 mine....
  
   (1943); British anti-tank mine used in World War II
• Supermarine Spitfire Mk V; 1941 British fighter aircraft augmented with high-altitude capability
• Mark 5 nuclear bomb
  Mark 5 nuclear bomb
  The Mark 5 nuclear bomb and W5 nuclear warhead were a common core nuclear weapon design, designed in the early 1950s and which saw service from 1952 to 1963....
  
   (1952-1963); American nuclear bomb
• Navy Mark V
  Navy Mark V
  The Navy Mark IV high-altitude pressure suit was a full-body pressure suit originally developed by the B.F. Goodrich Company and the U.S. Navy for wear in high-altitude fighter aircraft operations...
  
   (1958-1965), a high-altitude pressure suit used by the United States Navy and NASA's Mercury program
• Mark V Special Operations Craft (1995), a small marine security/patrol/transport boat used by the United States Navy
• Weatherby Mark V, the main line of rifles from Weatherby
  Weatherby
  Weatherby, Inc. is an American gun manufacturer founded in 1945 by Roy Weatherby. The company is best known for its high-powered magnum cartridges, such as the .257 Weatherby Magnum and the .460 Weatherby Magnum...
  
  , Inc.
• MarkV-A1
  MarkV-A1
  The MarkV-A1 is a bomb disposal robot designed by Northrop Grumman. It is part of the Remotec ANDROS line, which includes other robotic EODs. MarkV weighs 800 pounds and is about the size of a riding lawn mower. With its manipulator arm fully extended, the robot's height is 8 feet. The tread system...
  
  , a bomb disposal robot designed by Northrop Grumman
• Mk V or Covenanter tank
  Covenanter tank
  The Tank, Cruiser, Mk V, Covenanter was a British Cruiser tank of the Second World War. It was named for the Covenanters, a Scottish religious faction in the British Isles at the time of the Wars of the Three Kingdoms...
  
  , a British Cruiser tank of the Second World War

Other vehicles

• Bentley Mark V
  Bentley Mark V
  The Bentley Mark V was Rolls-Royce's second Bentley model. Released in 1939, it had little in common to any other model. Incorporating a new-generation straight-6 engine...
  
   (1931-1941), a British luxury car
• Jaguar Mark V
  Jaguar Mark V
  The Jaguar Mark V is a saloon car built by Jaguar Cars Ltd. The origin of the name is rather odd since, back in 1948 there had been no Mk I to IV Jaguars: the MK IV designation was only given to the predecessor after the launch of the Mk V...
  
   1948-1951, a British saloon car
• Lincoln Continental Mark V
  Lincoln Continental Mark V
  The Lincoln Continental Mark V was a large coupe sold by Lincoln, the Ford Motor Company's luxury division, between the 1977 and 1979 model years. The Mark V was a restyled Mark IV, replacing that car's more rounded styling with a more squared-off, sharp-edged detailing. The Mark V was highly...
  
   (1977-1979), a personal luxury car made by Ford Motor Company's Lincoln division
• Mark V monorail (1987-2008); monorail train used at Disneyland in Anaheim, California

People

• Pope Mark V of Alexandria
  Pope Mark V of Alexandria
  Pope Mark V of Alexandria was the Coptic Pope of Alexandria and Patriarch of the See of St. Mark .The seat of the Pope during his papacy remained in the Church of the Virigin Mary in Cairo....
  
  , the Coptic Pope of Alexandria and Patriarch of the See of St. Mark between 1610 and 1621
• Patriarch Mark V of Alexandria
  Patriarch Mark V of Alexandria
  -References:...
  
  , the Orthodox Patriarch of Alexandria between 1425 and 1435
• Mark V Shaney
  Mark V Shaney
  Mark V Shaney is a fake Usenet user whose postings were generated by using Markov chain techniques. The name is a play on the words "Markov chain". Many readers were fooled into thinking that the quirky, sometimes uncannily topical posts were written by a real person.-History:Bruce Ellis did the...
  
  ; fake Usenet user that used Markov chain techniques to determine 'his' post text

Other uses

• Mark 5
  Mark 5
  Mark 5 is the fifth chapter of the Gospel of Mark in the New Testament of the Christian Bible. It relates the story of three miracles of Jesus; an exorcism, a healing, and a possible resurrection.- Healing of the Gerasene Demoniac :...
  
   or Mark V, the fifth chapter of the Gospel of Mark in the New Testament of the Christian Bible
• The Mark V in the Mesa Boogie Mark Series
  Mesa Boogie Mark Series
  The Mesa Boogie Mark Series is a series of guitar amplifier made by Mesa Engineering . Originally just referred to as "Boogies," the product line took on the moniker "Mark Series" as newer revisions were put into production...
  
  , a guitar amplifier manufactured by Mesa/Boogie