1940 TCU Horned Frogs football team

The 1940 TCU Horned Frogs football team represented Texas Christian University (TCU) in the 1940 college football season. The Horned Frogs finished the season 3–7 overall and 2–4 in the Southwest Conference. The team was coached by Dutch Meyer in his seventh year as head coach.

TCU was ranked at No. 42 (out of 697 college football teams) in the final rankings under the Litkenhous Difference by Score system for 1940.

The Frogs played their home games in Amon G. Carter Stadium, which is located on campus in Fort Worth, Texas.