Crisanto Grajales Valencia[a] (born 6 May 1987) is a Mexican triathlete who won gold medals at the 2014 Central American and Caribbean Games and 2015 Pan American Games.

He served as the flag bearer for Mexico at the 2011 Pan American Games and won the Mexican National Sports Award in 2015.

[4] He won the gold medal in the men's triathlon at the 2019 Pan American Games held in Lima, Peru.

[7] In 2021, he competed in the men's triathlon at the 2020 Summer Olympics held in Tokyo, Japan.

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