The Roman Catholic Diocese of Santa María de Los Ángeles () is a diocese located in the city of Los Ángeles in the ecclesiastical province of Concepción in Chile.

History 20 June 1959: Established as Diocese of Los Ángeles from the Metropolitan Archdiocese of Concepción and the Roman Catholic Diocese of Temuco

Bishops Bishops of Santa María de Los Ángeles (Roman rite), in reverse chronological order Cristián Castro Toovey (2024.03.23 – Present) Felipe Bacarreza (2006.01.07 – 2024.03.23), retired Miguel Caviedes Medina (1994.02.19 – 2006.01.07), retired Adolfo Rodríguez Vidal (1988.07.06 – 1994.02.19), resigned Orozimbo Fuenzalida y Fuenzalida (1970.02.26 – 1987.07.13), appointed Bishop of San Bernardo Alejandro Durán Moreira (1966.03.31 – 1970.02.02), appointed Bishop of Rancagua Luis Yáñez Ruiz Tagle, O.F.M. (1964.03.21 – 1965.11.21) Manuel Sánchez Beguiristáin (1959.12.17 – 1963.06.25), appointed Archbishop of Concepción

Other priest of this diocese who became bishop Tomás Carrasco Cortés (2001-2023), appointed Bishop of San Juan Bautista de Calama Francisco Javier Stegmeier Schmidlin (1988-2009), appointed Bishop of Villarrica

Sources GCatholic.org Catholic Hierarchy Diocese website