title: C31
text: # C31
  
  C31 or C-31 may refer to:
  
  ## Vehicles
  
  * Fokker C-31A Troopship, a Dutch military transport
  * HMS C31, a C-class submarine of the Royal Navy
  * Nissan Laurel C31, a Japanese sedan
  * Sauber C31, a Swiss Formula One car
  
  ## Other uses
  
  * Blackstripe corydoras, a tropical freshwater fish
  * C-31 highway (Spain), in Catalonia
  * C31 road (Namibia)
  * Bill C-31, various legislation of the Parliament of Canada
  * Caldwell 31, an emission/reflection nebula
  * Channel 31 (disambiguation)
  * King's Gambit, Falkbeer Countergambit, a chess opening
  * C31, a London Cycleway
  