C23

C23 or C-23 may refer to:

Vehicles

 * Aircraft
 * Beechcraft C23 Musketeer, an American civil utility aircraft
 * Caspar C 23, a German sport aircraft
 * Caudron C.23, a French bomber biplane
 * Lockheed C-23 Altair, an American military transport
 * Short C-23 Sherpa, an American military transport


 * Automobiles
 * Sauber C23, a Swiss Formula One car


 * Ships and boats
 * HMS C23, a C-class submarine of the Royal Navy
 * Maltese patrol boat C23, involved in the C23 tragedy

Other uses

 * C23 (C standard revision), a revision of the C programming language
 * C-23 (card game), a collectible card game by Wizards of the Coast
 * C23 road (Namibia)
 * Bishop's Opening, a chess opening
 * Caldwell 23, a spiral galaxy
 * Gallbladder cancer