Pablo Llamas Ruiz (born 13 October 2002) is a Spanish tennis player.

Llamas Ruiz has a career high ATP singles ranking of No.

[2] He lost to top seed Félix Auger-Aliassime in straight sets in the second round.

156, he qualified in Montpellier and recorded his second ATP win and first on hardcourt over Richard Gasquet.

[7][8] He also qualified for the 2024 Estoril Open and defeated eight seed Dominik Koepfer and lucky loser David Jordà Sanchis to reach his first ATP career quarterfinal, where he lost to eventual champion and second seed Hubert Hurkacz.