The Roman Catholic Diocese of Ourinhos () is a diocese located in the city of Ourinhos in the ecclesiastical province of Botucatu in Brazil.
History December 30, 1998: Established as Diocese of Ourinhos from the Diocese of Assis, Metropolitan Archdiocese of Botucatu and Diocese of Itapeva
Leadership Bishops of Ourinhos (Roman rite) Bishop Salvatore Paruzzo (December 30, 1998 – May 19, 2021) Bishop Eduardo Vieira dos Santos (May 19, 2021 – present)
Sources GCatholic.org Catholic Hierarchy