Mariano Azuela Güitrón (born 1 April 1936 in Mexico City) is a Mexican jurist who was a member of the Supreme Court of Justice of the Nation (SCJN) from 1983 to 2009 and served as its president (chief justice) from 2003 to 2007.

[1][2][3][4] Güitrón is the son of Mariano Azuela Rivera – who also served as a Minister of the Supreme Court (Associate Justice) – and María de los Dolores Güitrón Machaen; he is also the grandson of Mariano Azuela González, a prominent novelist of the Mexican Revolutionary period.

Azuela graduated with a bachelor's degree in law from the National Autonomous University of Mexico (UNAM) in 1959.

Azuela Güitrón served as magistrate (1971 – 1983) and president (1981) of the Fiscal Tribunal of the Federation.

He was a long-serving member of the faculty at the Ibero-American University in Mexico City, which he joined in 1963.