The 2013 Colorado State Rams football team represented Colorado State University in the 2013 NCAA Division I FBS football season.

The Rams were led by second-year head coach Jim McElwain and played their home games at Sonny Lubick Field at Hughes Stadium.

They finished the season 8–6, 5–3 in Mountain West play to finish in third place in the Mountain Division.

They were invited to the New Mexico Bowl where they defeated Washington State.

* = undrafted free agent.