The 2013 Montana Grizzlies football team represented the University of Montana in the 2013 NCAA Division I FCS football season. The Grizzlies were led by second-year head coach Mick Delaney and played their home games on campus at Washington–Grizzly Stadium. Montana participated as a member of the Big Sky Conference, of which they are a charter member. They finished the season 10–3, 6–2 in Big Sky play to finish in third place. They received an at-large bid to the FCS Playoffs where they lost in the second round to Coastal Carolina.