The 2019–20 TCU Horned Frogs men's basketball team represented Texas Christian University in the 2019–20 NCAA Division I men's basketball season, led by head coach Jamie Dixon in his fourth season at TCU.

The Horned Frogs competed as members of the Big 12 Conference and played their home games at Schollmaier Arena in Fort Worth, Texas.

They lost in the quarterfinals of the Big 12 tournament to Kansas State.

They received an at-large bid to the NIT as the No.

1 seed where they lost in the semifinals to Texas.