Diocese of Ipil

Location: Diocese of Ipil, Zamboanga Sibugay

The Diocese of Ipil (Latin: Dioecesis Ipilen(sis)) is a Roman Catholic Diocese located in the city of Ipil in the Ecclesiastical province of Zamboanga in the Philippines. It is an ecclesiastical territory in the province of Zamboanga Sibugay. It occupies an area of 4,850 square kilometers extending from the boundary of Zamboanga del Norte on the north to Olutanga Island on the south, from the town of Tungawan on the west to the town Margosatubig on the east boundaries set by Pope John Paul II himself when he decreed the separation of this ecclesiastical territory from the Archdiocese of Zamboanga on December 24, 1979.

On May 1, 2010, His Holiness Pope Benedict XVI elevated the Prelature of Ipil to a full diocese, the 58th in the Philippines, and appointed as its first bishop, Most Rev. Julius Sullan Tonel who had served as its Bishop-Prelate.