Axel Geller (born 1 April 1999) is an Argentine former tennis player.

539 in singles, which he achieved in August 2019, by the Association of Tennis Professionals (ATP), and had claimed six singles and doubles titles on the International Tennis Federation (ITF)'s World Tennis Tour between 2018 and 2019.

Geller later attended Stanford University, where he played for the men's tennis team.

Following his graduation from Stanford in 2022, he announced his retirement from tennis in order to pursue a career in finance.

This biographical article relating to Argentine tennis is a stub.