C29 or C-29 may refer to:
Vehicles Aircraft British Aerospace C-29, a military navigation trainer Caspar C 29, a German floatplane Cierva C.29, a British autogyro Douglas C-29 Dolphin, an American military amphibious flying boat Fiat C.29, an Italian racing seaplane
Automobiles Sauber C29, a Swiss Formula One car
Ships , a C-class submarine of the Royal Navy
Science and technology C29, the next release for the C programming language
Other uses C29 road (Namibia) Caldwell 29, a spiral galaxy Middleton Municipal Airport, in Dane County, Wisconsin Vienna Gambit, a chess opening