The 2019–20 Texas Tech Red Raiders basketball team represented Texas Tech University in the 2019–20 NCAA Division I men's basketball season as a member of the Big 12 Conference.

They played their home games at the United Supermarkets Arena in Lubbock, Texas.

They received an at-large bid to the NCAA tournament where they defeated Stephen F. Austin, Buffalo, Michigan and Gonzaga to advance to their first Final Four in school history.

On April 18, 2019 Jarrett Culver announced he would declare for the NBA draft and sign with an agent.

[7] Texas Tech added three players, Chris Clarke, T. J. Holyfield, and Joel Ntwambe, as transfers.