The 2021 NCAA Division I Tennis Championships was the men's and women's tennis tournaments played concurrently from May 7 to May 28, 2021 at campus sites and Orlando, Florida at the USTA National Campus.

[1] It was the 75th edition of the NCAA Division I Men's Tennis Championship[2] and the 39th edition of the NCAA Division I Women's Tennis Championship.

California (round of 16) Bracket source:[5] Players ranked 9th–16th, listed by last name

Players ranked 5th–8th, listed by institution

Players ranked 5th–8th, listed by institution