There were a lot of comedy films released in 2013 and it would be impossible to list them all here. Some examples are The Incredible Burt Wonderstone, Identity Thief, and Anchorman 2 The Legend Continues.
Comedy of Errorz - 2013 was released on: USA: June 2013
SCC Comedy - 2013 was released on: USA: 5 June 2013 (internet)
When Comedy Went to School - 2013 was released on: USA: 6 June 2013
BK Comedy Series - 2013 was released on: USA: 1 February 2013
The Clean Guys of Comedy - 2013 was released on: USA: 19 September 2013 (limited)
Comedy Gives Back - 2013 TV was released on: USA: 20 May 2013
Fox Shortcoms Comedy Hour - 2013 Pilot was released on: USA: 2013
White and Black Comedy - 2013 That Friend was released on: USA: 29 March 2013
The Unfinished Films of Garret Harlan - 2013 was released on: USA: 26 October 2013
Comedy Planet - 2013 Pilot 1-10 was released on: USA: December 2013
Seriously - Chubby Money Comedy 2013 was released on: USA: 23 September 2013 (internet)
Comedy Divas Presents Oh No He Didn't - 2013 was released on: USA: 2013 (internet)