C33

C33 or C-33 may refer to:

Vehicles

Aircraft

• Beechcraft C33 Debonair, an American civil utility aircraft
• Boeing C-33, a proposed American military transport
• Caspar C 33, a German trainer
• Caudron C.33, a French passenger biplane
• Douglas C-33, an American military transport

Automobiles

• Nissan Laurel C33, a Japanese sedan
• Sauber C33, a Swiss Formula One car

Ships

• Template:HMS, a C-class submarine of the Royal Navy

Other uses

• Autopista C-33, a highway in Catalonia, Spain
• C33 road (Namibia)
• Caldwell 33, a supernova remnant
• Head and neck cancer
• King's Gambit Accepted, a chess opening
• C.3.3., the pseudonym used by Oscar Wilde to publish his poem "The Ballad of Reading Gaol"