Alexis Galarneau (; born 2 March 1999) is a Canadian tennis player. He has a career-high singles ranking by the ATP of world No. 155, achieved on May 6, 2024. He also has a career-high doubles ranking of No. 311, achieved on June 11, 2023.
Galarneau played college tennis at North Carolina State University.
Galarneau made his ATP main-draw debut at the 2021 National Bank Open after receiving a wildcard into the doubles main draw with partner Félix Auger-Aliassime.
He made his singles debut the following year in 2022, when he lost to 16th seed Grigor Dimitrov in the first round.
Galarneau was part of the Canadian squad which won the 2022 Davis Cup, playing only a doubles match partnering with Vasek Pospisil against Miomir KecmanoviÃÂ and Filip KrajinoviÃÂ losing by retirement.
Galarneau received a wildcard into the 2023 Canadian Open, but lost to Francisco Cerúndolo in the first round.
In September 2023 at the 2023 Davis Cup Finals, he defeated Italy's Lorenzo Sonego and Alejandro Tabilo of Chile along with partnering Vasek Pospisil to win all three doubles matches for Canada, helping propel them into the knockout stage.
Given a wildcard entry into the 2025 Canadian Open, Galarneau recorded his first ATP Tour main-draw win against Arthur Rinderknech. He lost in the second round to 13th seed Flavio Cobolli in three sets.