Jason Marshall (born 5 February 1985) is a Canadian rugby union player. His position is tighthead prop, and he has played 27 tests for the Canadian national team. Marshall currently plays for La Rochelle in the Rugby Pro D2. Marshall had previously played rugby in the British Columbia Premiership with Capilano RFC and James Bay Athletic Association, BC Bears in the Canadian Rugby Championship, and Stade Aurillacois Cantal Auvergne in the Rugby Pro D2. Marshall competed for Canada at the 2011 Rugby World Cup starting at tighthead prop in all four of Canada's pool matches.