Ernesto Alonso (February 28, 1917 – August 7, 2007) was a Mexican producer, director, cinematographer and actor.

Ernesto began his career as an uncredited extra in La Zandunga (1938), a movie starring Lupe Vélez.

[citation needed] He made another series of films throughout the 1950s, including as the narrator of Los Olvidados (1950) and the lead in Ensayo de un crimen (1955), both directed by Luis Buñuel.

Alonso's most memorable performance was as Enrique de Martino in the 1983 telenovela El maleficio in which he played a devil-like character.

His last producing work being the telenovela "Barrera de Amor" which starred Yadhira Carrillo and Raquel Olmedo.