The 2020–21 TCU Horned Frogs men's basketball team represented Texas Christian University during the 2020–21 NCAA Division I men's basketball season. The team is led by fifth-year head coach Jamie Dixon, and plays their home games at Schollmaier Arena in Fort Worth, Texas as a member of the Big 12 Conference. They finished the season 12-14, 5-11 in Big 12 Play to finish in 8th place. They lost in the first round of the Big 12 tournament to Kansas State.