Joaquín Jesús Díaz Mena (born 16 August 1974), nicknamed Huacho, is a Mexican politician currently from the National Regeneration Movement (Morena).

[1] In 2001, Díaz Mena began his political career when he became the municipal president of San Felipe; in the following year he joined the National Action Party (PAN).

[1] In 2004, he was sent as a deputy to the LVII Legislature of Yucatán, where he presided over the Education, Science, Art and Technology Commission; during his two years in the state legislature, he briefly served as the Yucatán state PAN's finance secretary and began studying to obtain his master's degrees, one in public administration from the Universidad del Mayab and the other from the National Autonomous University of Mexico (UNAM) in urban and regional economics.

[2] In the 60th Congress, he was a secretary on the Fishing Commission and also sat on those dealing with Indigenous Matters and Special for Regional Development Projects in Southern and Southeastern Mexico.

[6] Twelve days later, Morena and the other parties in the Juntos Haremos Historia coalition nominated Díaz Mena as their gubernatorial candidate.