Vilius Gaubas (born 29 December 2004) is a Lithuanian tennis player.

He has a career-high ATP singles ranking of world No.

[2] Gaubas represents Lithuania at the Davis Cup, where he has a W–L record of 2–5.

[3] In 2024, following two ATP Challenger finals and his maiden Challenger title in Cordenons, Italy, where he was the youngest of three Lithuanian champions in Challenger history (since 1978), he reached a new career-high ranking of No.

[4][5] This biographical article relating to Lithuanian tennis is a stub.