Damián Alcázar (born January 8, 1953) is a Mexican actor and politician, who is best known outside of Mexico as Lord Sopespian in The Chronicles of Narnia: Prince Caspian and Alberto Reyes in Blue Beetle.

Damián Alcázar studied acting first at the National Institute of Fine Arts and at the Theatrical Experimentation Center, then continued at the Faculty of Theater of the Veracruz University, where in later years he would work as a teacher.

He was awarded the Ariel for Best Actor in 1999 and in 2004, for the films Under California: The Time Limit, by Carlos Bolado, and Crónicas, by Sebastián Cordero.

He received the Ariel Award for Best Supporting Actor for El anzuelo, by Ernesto Rimoch; for Lolo, by Francisco Athié; and for Carlos Carrera's successful film, The Crime of Padre Amaro.

In June 2016 he was elected as deputy by the political party MORENA in the Constituent Assembly of Mexico City, but left the position in January 2017 after being absent for three months.