2021 Texas Tech Red Raiders baseball team

The 2021 Texas Tech Red Raiders baseball team represented Texas Tech University during the 2021 NCAA Division I baseball season. The Red Raiders played their home games at Dan Law Field at Rip Griffin Park as a member of the Big 12 Conference. They were led by head coach Tim Tadlock, in his 9th season at Texas Tech.

On March 26, with a 16–6 win over South Florida, Tadlock became the program's second winningest coach with 318 wins.

Previous season
The 2020 Texas Tech Red Raiders baseball team notched a 16–3 record in February and early March; however, the remainder of the season was abruptly halted on March 13, 2020, when the Big 12 Conference canceled the remainder of the athletics season due to the Coronavirus pandemic.

Schedule and results
! style="" | Regular season (35–13)
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! style="" | Post-season (4–4)
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 * style="font-size:88%"| Legend:      = Win       = Loss       = Canceled      Bold = Texas Tech team member
 * style="font-size:88%"| "*" indicates a non-conference game. "#" represents ranking. All rankings from D1Baseball on the date of the contest. "" represents postseason seeding in the Big 12 Tournament or NCAA Regional, respectively.
 * style="font-size:88%"| "*" indicates a non-conference game. "#" represents ranking. All rankings from D1Baseball on the date of the contest. "" represents postseason seeding in the Big 12 Tournament or NCAA Regional, respectively.