The 2018 TCU Horned Frogs football team represented Texas Christian University in the 2018 NCAA Division I FBS football season. The 123rd TCU football team played as a member of the Big 12 Conference and played their home games at Amon G. Carter Stadium, on the TCU campus in Fort Worth, Texas. They were led by 18th-year head coach Gary Patterson. They finished the season 7–6, 4–5 in Big 12 play to finish in a tie for fifth place. They were invited to the Cheez-It Bowl where they defeated California.