Mario Almada Otero (January 7, 1922 - October 4, 2016) was a Mexican actor with a career lasting over seven decades. He has appeared in over 370 films. He is most known for his roles in urban westerns and action pictures. He was the brother of actor Fernando Almada.

Almada was born in Huatabampo, Sonora. Apart from acting he was also a director, writer and film producer. He began his artistic career in Mexico during the 1930s. He has appeared in over 200 films, with his first being Madre Querida in 1935. In this film he acted alongside his brother Fernando as children as an extra. He would not appear in another film again until a few decades later.