Gonzalo Villanueva (born 13 January 1995) is an Argentine tennis player.

Villanueva has a career high ATP singles ranking of world No.

[1] Villanueva made his ATP main draw debut at the 2022 Los Cabos Open after entering the singles main draw as a lucky loser.

[citation needed] Villanueva won his maiden ATP Challenger title at the 2024 Challenger Tucumán in doubles partnering Luís Britto.

This biographical article relating to Argentine tennis is a stub.