Francisco Vallejo Pons (born 21 August 1982 in Es Castell, Menorca) is a Spanish chess grandmaster.
He is a five-time Spanish Chess Champion.
He achieved the Grandmaster title at the age of 16 years and 9 months.
He won the under-18 World Chess Youth Championship in 2000.
He won Leon after defeating Veselin Topalov 3½–2½.In 2013 he tied for first at the European Individual Championship.