C34

C34 or C-34 may refer to:

Vehicles

 * Aircraft
 * Castel C.34 Condor, a French sailplane
 * Cessna C-34, an American civil utility aircraft
 * Douglas C-34, an American military transport aircraft


 * Automobiles
 * Nissan Laurel C34, a Japanese sedan
 * Sauber C34, a Swiss Formula One car


 * Locomotives
 * New South Wales C34 class locomotive, an Australian steam locomotive


 * Ships
 * HMS C34, a C-class submarine of the Royal Navy
 * HMS Lion (C34), a Tiger-class light cruiser of the Royal Navy

Other uses

 * C-34 Mosquito Impoundment Project, a pest-control project in Florida
 * C34 road (Namibia)
 * Caldwell 34, a supernova remnant in the constellation Cygnus
 * King's Knight's Gambit, a chess opening
 * Lung cancer
 * Special Committee on Peacekeeping Operations of the United Nations