The 1965 TCU Horned Frogs football team represented Texas Christian University (TCU) in the 1965 NCAA University Division football season. The Horned Frogs finished the season 6–5 overall and 5–2 in the Southwest Conference. The team was coached by Abe Martin in his 13th year as head coach. The Frogs played their home games in Amon G. Carter Stadium, which is located on campus in Fort Worth, Texas. They were invited to the Sun Bowl where they lost to Texas Western by a score of 13–12.