Cory McDiarmid (born in Nanaimo, B.C.) is a Canadian gridiron football coach who is currently the special teams assistant coach for the Ottawa Redblacks of the Canadian Football League (CFL). He previously coached in the CFL with several teams and is a two-time Grey Cup winner with the BC Lions and Saskatchewan Roughriders. He has also coached for the Panthers Wrocław in the European League of Football.