Francisco Vallejo Pons (born 21 August 1982[1]) is a Spanish chess grandmaster.

He won the Ciudad de Leon Masters after defeating Veselin Topalov 3½–2½.

[1] On 25 February 2006 he defeated FIDE world champion Veselin Topalov in 56 moves with the black pieces at the SuperGM Linares-Morelia chess tournament.

[6][failed verification] Since then he has made multiple appearances in tournaments, for instance in 2014 Bilbao Chess Masters, as well as competed in country leagues.

Having played in the Sharjah and Moscow legs of the event, and finished in the bottom half of the field in both, he had no mathematical chance to qualify for the 2018 Candidates Tournament via the Grand Prix.