Gilberto Hernández Guerrero (born February 4, 1970, in Ébano, San Luis Potosí) is a Mexican chess grandmaster.

As an 11-year-old he became champion of San Luis Potosí, his state, and also took the bronze medal in the World Under 12 Championship held in Xalapa, Veracruz.

After that success he received invitations to play in five more tournaments, so he stayed on the island for three months, which helped him to develop further.

[1] Gilberto Hernández has played 7 Olympiads and with more than 10 years living out of his country, he has won more than 40 international tournaments.

His most important results against elite chess players include his triumphs over Alexei Shirov, Vladimir Akopian, Boris Gulko, Tony Miles and Alexander Rustemov and his draws with Alexander Khalifman, Viktor Korchnoi, Judit Polgár, Boris Gelfand, Joël Lautier, Jeroen Piket, among others.