The 2020–21 Texas Tech Red Raiders basketball team represented Texas Tech University in the 2020–21 NCAA Division I men's basketball season as a member of the Big 12 Conference. The Red Raiders were led by fifth-year coach Chris Beard. They played their home games at the United Supermarkets Arena in Lubbock, Texas. They finished the season 18-11, 9-8 in Big 12 Play to tie for 6th place. They lost in the quarterfinals of the Big 12 tournament to Texas. They received an at-large bid to the NCAA tournament where they defeated Utah State in the First Round before losing in the Second Round to Arkansas.