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.