C51 or C-51 may refer to:
Legislation
- Anti-terrorism Act, 2015, introduced as Bill C-51 in the 41st Canadian Parliament, 2nd Session
- Bill C-51 of the 39th Canadian Parliament, 2nd Session, a proposed amendment to the Food and Drugs Act
Vehicles
- ARM General Juan N. Mendez (C51), an Admirable-class minesweeper of the Mexican Navy
- Caudron C.51, a French biplane floatplane
- Douglas C-51, an American transport aircraft
- JNR Class C51, a Japanese steam locomotive
Other uses
- Caldwell 51, an irregular dwarf galaxy
- Evans Gambit, a chess opening
- GeForce 6100, a graphics processing unit
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: