The Territorial Prelature of Illapel () is a territorial prelature located in the city of Illapel in the ecclesiastical province of La Serena in Chile.

History 30 April 1960: Established as Territorial Prelature of Illapel from the Metropolitan Archdiocese of La Serena and Diocese of San Felipe

Leadership, in reverse chronological order Prelates of Illapel (Roman rite) Bishop Julio Larrondo Yáñez (2023.12.12 – Present) Bishop Jorge Patricio Vega Velasco, S.V.D. (2010.02.20 – 2021.06.08), appointed Bishop of Valparaíso Bishop Rafael de la Barra Tagle, S.V.D. (1989.06.17 – 2010.02.20) Bishop Pablo Lizama Riquelme (1985.12.19 – 1988.02.24), appointed Auxiliary Bishop of Talca; future Archbishop Bishop Cirilo Polidoro Van Vlierberghe, O.F.M. (1966.06.27 – 1984.08.11) Bishop Cirilo Polidoro Van Vlierberghe, O.F.M. (Apostolic Administrator 1960 – 1966.06.27)

Sources GCatholic.org Catholic Hierarchy Prelature website