Auxiliary bishops •
Manuel Vicuña Larraín (1828–1832), appointed Bishop here •
José Ignacio Cienfuegos Arteaga (1828–1832), appointed Bishop of Concepción •
José Miguel Arístegui Aróstegui (1869–1876) •
Joaquín Larraín Gandarillas (1877–1897), became Archbishop (personal title) in 1893 •
Jorge Montes Solar (1892–1900) •
José Ramón Astorga Salinas (1899–1906) •
Rafael Fernández Concha (1901–1912) •
Miguel Claro Vásquez (1921), did not take effect (died on the day he was appointed) •
Rafael Edwards Salas (1921–1938) •
Antonio José Luis Castro Alvarez, SS.CC. (1926–1935) •
Augusto Osvaldo Salinas Fuenzalida, SS.CC. (1941–1950), appointed Bishop of San Carlos de Ancud •
Pio Alberto Fariña Fariña (1946–1971) •
Emilio Tagle Covarrubias (1958–1961), becoming Apostolic Administrator and titular Archbishop in 1959; appointed Archbishop (personal title) of Valparaíso •
Gabriel Larraín Valdivieso (1966–1968) •
Fernando Ariztía Ruiz (1967–1976), appointed Bishop of Copiapó •
Fernando (José Ismael) Errázuriz Gandarillas (1969–1973) •
Sergio Valech Aldunate (1973–2003) •
Enrique Alvear Urrutia (1974–1982) •
Jorge Maria Hourton Poisson (1974–1992), appointed Auxiliary Bishop of Temuco •
Manuel Camilo Vial Risopatrón (1980–1983), appointed Bishop of San Felipe •
Patricio Infante Alfonso (1984–1990), appointed Archbishop of Antofagasta •
Antonio Moreno Casamitjana (1986–1989), appointed Archbishop of Concepción (Santissima Concezione) •
Cristián Caro Cordero (1991–2001), appointed Archbishop of Puerto Montt •
Horacio del Carmen Valenzuela Abarca (1995–1996), appointed Bishop of Talca •
Ricardo Cardinal Ezzati Andrello (2001–2006), appointed Archbishop of Concepción (Santissima Concezione) (later returned here as Archbishop); future Cardinal •
Andrés Arteaga Manieu (2001–) •
Cristián Contreras Villarroel (2003–2014), appointed Bishop of Melipilla •
Fernando Chomalí Garib (2006–2011), appointed Archbishop of Concepción •
Pedro Mario Ossandón Buljevic (2012–) •
Galo Fernández Villaseca (2014–) •
Luis Fernando Ramos Pérez (2014–2019), appointed Archbishop of Puerto Montt •
Jorge Enrique Concha Cayuqueo (2015–2020), appointed Bishop of Osorno •
Cristián Carlos Roncagliolo Pacheco (2017–) •
Carlos Eugenio Irarrázaval Errázuriz (2019); did not take effect •
Alberto Ricardo Lorenzelli Rossi (2019–)
Other priests of this diocese who became bishops •
Pedro Felipe de Azúa e Iturgoyen, appointed Auxiliary Bishop of Concepción in 1735 •
José de Toro y Zambrano, appointed Bishop of Concepción in 1744 •
Pedro Miguel Argandoña Pastene Salazar, appointed Bishop of Córdoba (Tucumán), Argentina in 1745 •
Diego Antonio Elizondo y Prado, appointed Bishop of Concepción in 1840 •
José Agustín de la Sierra Mercado, appointed Bishop of La Serena in 1842 •
Justo Donoso Vivanco, appointed Bishop of San Carlos de Ancud in 1848 •
Vicente Gabriel Tocornal Velasco, appointed Bishop of San Carlos de Ancud, Chile in 1853; did not take effect •
José Hipólito Salas y Toro, appointed Bishop of Concepción in 1854 •
José Manuel Orrego Pizarro, appointed Bishop of La Serena in 1868 •
Plácido Labarca Olivares, appointed Vicar Apostolic of Tarapacá in 1887; appointed Bishop of Concepción in 1890 (consecrated bishop in 1890) •
Florencio Eduardo Fontecilla Sánchez, appointed Bishop of La Serena in 1890 •
Rafael Molina Cortez, appointed Titular Bishop of Sinopoli in 1884 (died in 1889 without being consecrated) •
Ramón Ángel Jara Ruz, appointed Vicar General of Valparaíso in 1894; appointed Bishop of San Carlos de Ancud in 1898 •
Luis Enrique Izquierdo Vargas, appointed Bishop of Concepción in 1906 •
Eduardo Gimpert Paut, appointed Vicar General of Valparaíso in 1906 (titular bishop in 1916) •
Luís Silva Lezaeta, appointed Vicar Apostolic of Antofagasta in 1904 (consecrated bishop in 1912) •
Gilberto Fuenzalida Guzmán, appointed Bishop of Concepción in 1918 •
Carlos Silva Cotapos, appointed Bishop of La Serena in 1918 •
Prudencio Contardo Ibarra (priest here, 1883–1906), appointed Vicar General of Temuco (and titular bishop) in 1920 •
Martín Rucker Sotomayor, appointed Titular Bishop of Mariamme in 1923 •
Miguel León Prado, appointed Vicar General of Talca in 1913; appointed Bishop of Linares in 1925 •
Melquisedec del Canto Terán, appointed Bishop of San Felipe in 1925 •
Rafael Lira Infante, appointed Bishop of Rancagua in 1925 •
Carlos Labbé Márquez, appointed Vicar Apostolic of Tarapacá in 1926 •
Alfredo Cifuentes Gómez, appointed Bishop of Antofagasta in 1933 •
Ramón Munita Eyzaguirre, appointed Bishop of San Carlos de Ancud in 1934 •
Alfredo Silva Santiago, appointed Bishop of Temuco in 1935 •
Juan Subercaseaux Errázuriz, appointed Bishop of Linares in 1935 •
Jorge Antonio Larraín Cotapos, appointed Bishop of Chillán in 1937 •
Eduardo Larraín Córdovez, appointed Bishop of Rancagua in 1938 •
Manuel Larraín Errazuriz, appointed Coadjutor Bishop of Talca in 1938 •
Hernán Frías Hurtado, appointed Bishop of San Carlos de Ancud in 1940 •
Francisco Javier Valdivia Pinedo, appointed Bishop of Linares in 1940; did not take effect •
Alejandro Menchaca Lira, appointed Bishop of Temuco in 1941 •
Roberto Moreira Martínez, appointed Bishop of Linares in 1941 •
Eladio Vicuña Aránguiz, appointedBishop of Chillán in 1955 •
Bernardino Piñera Carvallo, appointed Auxiliary Bishop of Talca in 1958 •
Alberto Rencoret Donoso, appointed Bishop of Puerto Montt in 1958 •
José Luis Castro Cabrera, appointed Bishop of San Felipe in 1963 •
Raul Silva Silva, appointed Auxiliary Bishop of Rancagua in 1963 •
Carlos González Cruchaga, appointed Bishop of Talca in 1967 •
Ignacio Ortuzar Rojas, appointed Auxiliary Bishop of Puerto Maldonado, Peru in 1968; did not take effect •
Alberto Jara Franzoy, appointed Bishop of Chillán in 1982 •
José Joaquín Matte Varas, appointed Bishop of Chile, Military in 1983 •
Jorge Arturo Augustin Medina Estévez, appointed Auxiliary Bishop of Rancagua in 1984; future Cardinal •
Pablo Lizama Riquelme, appointed Prelate of Illapel in 1985 •
Enrique Troncoso Troncoso, appointed Bishop of Iquique in 1989 •
Pedro Felipe Bacarreza Rodríguez, appointed Auxiliary Bishop of Concepción (Santissima Concezione) in 1991 •
Juan de la Cruz Barros Madrid, appointed Auxiliary Bishop of Valparaíso in 1995 •
Tomislav Koljatic Maroevic, appointed Auxiliary Bishop of Concepción (Santissima Concezione) in 1997 •
Ignacio Francisco Ducasse Medina, appointed Bishop of Valdivia in 2002 •
Guillermo Patricio Vera Soto (priest here, 1982–1991), appointed Prelate of Calama in 2003 •
Moisés Carlos Atisha Contreras, appointed Bishop of San Marcos de Arica in 2014 ==Sexual abuse lawsuit==