Antoine Bellier (born 18 October 1996) is a Swiss former professional tennis player.

303 at the 2022 Mallorca Championships Bellier recorded his second ATP win over Federico Delbonis as a qualifier.

[1] He went one step further to defeat fourth seed Pablo Carreno Busta and reach his first ATP quarterfinal.

In October he won his second Challenger title in Ismaining, Germany and returned to the top 250 on 6 November 2023.

He received a wildcard in doubles for the 2024 Geneva Open partnering Jakub Paul.