MacKenzie Caitlin May (born January 12, 1999) is an American professional volleyball player who plays as an outside hitter for the Italian Series A1 professional team Volley Bergamo.

[2] She attended Wahlert Catholic High School where she was a three-sport athlete as she played volleyball, track and field and soccer.

During her final three seasons, she was named an All-American and was a two-time Pac-12 Player of the Year.

[3] She played beach volleyball for UCLA in 2018, 2019, and 2020 where she finished with a career record of 38-13.

[4] She was part of UCLA's back-to-back NCAA Beach Volleyball Championship titles in 2018 and 2019.