Nicolás Álvarez Varona (born 18 May 2001) is a Spanish tennis player.

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

[1] Álvarez Varona made his ATP main draw debut at the 2022 Barcelona Open Banc Sabadell after qualifying for the singles main draw, defeating Philipp Kohlschreiber and wildcard Max Alcalá Gurri before losing to Brandon Nakashima.

927, at the 2024 Barcelona Open Banc Sabadell he entered the qualifying competition with a wildcard.

This biographical article relating to Spanish tennis is a stub.