Máximo González Mereira (Latin American Spanish: [ˈmaɣsimo ɣonˈsales meˈɾejɾa]; born July 20, 1983) is an Argentine professional tennis player.

He won four more Futures events in 2005 before finally finding success on the Challenger circuit with two consecutive semi-final appearances and a quarterfinal, improving his ranking to No.

He reached his first Grand Slam semifinal at the 2008 US Open (tennis) partnering with fellow Argentinian Juan Mónaco where they lost to seventh seeded and eventual runners-up Lukáš Dlouhý and Leander Paes.

In 2021 González won two clay titles with new partner Simone Bolelli at the 2021 Chile Open and 2021 Emilia-Romagna Open in Parma and one grass title at the first edition of the Mallorca Championships after the walkover from the wildcard pair Novak Djokovic/Carlos Gómez-Herrera[2] and reached one other ATP final.

He reached the semifinals at the 2022 Estoril Open with Swede André Göransson defeating Pablo Cuevas and João Sousa.

At the 2024 US Open the duo reached the quarterfinals for a second consecutive season with a win over second seeds Rohan Bopanna and Matthew Ebden.