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
- Template:HMS, 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