The 2013 Cal Poly Mustangs football team represented California Polytechnic State University, San Luis Obispo as member of the Big Sky Conference during the 2013 NCAA Division I FCS football season. Led by fifth-year head coach Tim Walsh, Cal Poly compiled an overall record of 6âÂÂ6 with a mark of 5âÂÂ3 in conference play, placing in a four-way tie for fourth in the Big Sky. The Mustangs played home games at Mustang Stadium in San Luis Obispo, California.