Alejo Lorenzo Lingua Lavallén (born 9 March 2001) is an Argentine tennis player.

Lingua Lavallén has a career high ATP singles ranking of 400 achieved on 20 June 2022.

He also has a career high doubles ranking of 468 achieved on 25 July 2022.

[1] Lingua Lavallén has won one ATP Challenger singles title at the 2024 Santos Brasil Tennis Cup.

This biographical article relating to Argentine tennis is a stub.