C63
# C63

C63 or C-63 may refer to:

* Caldwell 63, a planetary nebula
* Convention concerning Statistics of Wages and Hours of Work, 1938 of the International Labour Organization
* JNR Class C63, a proposed Japanese steam locomotive
* Lockheed C-63 Hudson, an American military transport aircraft
* Mercedes-AMG C 63, a German automobile
* Ruy Lopez, a chess opening
