Philippe Gagnon (born August 21, 1992) is a Canadian professional football offensive lineman for the Saskatchewan Roughriders of the Canadian Football League (CFL).

Gagnon played CIS football for the Laval Rouge et Or where he was part of two Vanier Cup championship teams in 2012 and 2013.

Upon becoming a free agent, Gagnon signed with the Ottawa Redblacks on February 13, 2019.

[3] On March 19, 2020, it was announced the Gagnon had re-signed with the Alouettes on a one-year contract.

[6][7] On February 11, 2025, it was announced that Gagnon had signed with the Saskatchewan Roughriders.