C61
# C61

C61 may refer to:

* ARM Cadete Vicente Suarez (C61), an Admirable-class minesweeper of the Mexican Navy
* Bill C-61 (39th Canadian Parliament, 2nd Session), an act to amend the Copyright Act
* Caldwell 61, a galaxy
* Caudron C.61, a French civil transport biplane
* Fairchild C-61 Forwarder, an American military aircraft
* JNR Class C61, a class of Japanese steam locomotive
* Prostate cancer
* Reduction of Hours of Work (Textiles) Convention, 1937 of the International Labour Organization
* Ruy Lopez, a chess opening
