The 2021 Mallorca Championships was a men's tennis tournament played on outdoor grass courts.

It was the inaugural edition of the Mallorca Championships, and part of the ATP Tour 250 series of the 2021 ATP Tour.

It was held at the Santa Ponsa Tennis Academy in Santa Ponsa, Spain, from 19 June until 26 June 2021.

*per team The following players received wildcards into the main draw: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: The following pair received entry as an alternate: