Rodolfo Guzmán Huerta (23 September 1917 – 5 February 1984), known professionally as El Santo or, in English, The Saint, was a Mexican luchador enmascarado (Spanish for "masked professional wrestler"), actor and folk hero. He is one of the most famous and iconic Mexican luchadores, and has been referred to as one of "the greatest legends in Mexican sports". His wrestling career spanned nearly five decades, during which he became a folk hero and a symbol of justice for the common man through his appearances in lucha films and comic books telling fictionalized stories of El Santo fighting for justice. He starred or co-starred in at least 52 movies between 1958 and 1982.

During his career, he mainly wrestled for Empresa Mundial de Lucha Libre in Mexico where he won the Mexican National Light Heavyweight Championship, Mexican National Middleweight Championship, Mexican National Tag Team Championship with Rayo de Jalisco, Mexican National Welterweight Championship, NWA World Middleweight Championship and the NWA World Welterweight Championship. He is said to have popularized professional wrestling in Mexico just as Rikidōzan did in Japan. Guzmán's son followed him into wrestling as El Hijo del Santo, or the Son of Santo. In 2018, WWE inducted him into their Hall of Fame in the Legacy category.