Roman Catholic Diocese of Boac
| Diocese of Boac Dioecesis Boacensis Diyosesis ng Boac  Diocesis de Boac | |
|---|---|
| Catholic | |
| Coat of arms | |
| Location | |
| Country | Philippines | 
| Territory | Marinduque | 
| Ecclesiastical province | Lipa | 
| Metropolitan | Lipa | 
| Coordinates | 13°26′57″N 121°50′14″E / 13.44917°N 121.83722°E | 
| Statistics | |
| Area | 959 km2 (370 sq mi) | 
| Population 
 
 | 
 
 
 | 
| Parishes | 14 | 
| Churches | 14 | 
| Information | |
| Denomination | Roman Catholic | 
| Sui iuris church | Latin Church | 
| Rite | Roman Rite | 
| Established | 10 May 1978 | 
| Cathedral | Cathedral-Parish of the Immaculate Conception and Diocesan Shrine of Mahal na Birhen ng Biglang-Awa | 
| Patron saint | Mahal na Birhen ng Biglang-Awa (Principal Patroness) Immaculate Conception (Secondary Patroness) | 
| Secular priests | 35 | 
| Current leadership | |
| Pope | Leo XIV | 
| Bishop | Sede vacante | 
| Metropolitan Archbishop | Gilbert Armea Garcera | 
| Apostolic Administrator | Elino P. Esplana | 
| Vicar General | Elino P. Esplana | 
| Judicial Vicar | Arvin Madla | 
| Map | |
| Map of Marinduque showing the location of Boac | |
| Website | |
| Website of the Diocese | |
The Roman Catholic Diocese of Boac (Lat: "Dioecesis Boacensis") is a diocese of the Latin Church of the Catholic Church in the Philippines.
Created suffragan of the Archdiocese of Lipa, separating from the Mother Diocese of Lucena on 2 April 1977, it has jurisdiction over the province of Marinduque. It has a total area of 959.2 square kilometres (370.3 sq mi).
On November 21, 2024, the Diocese elected The Reverend Father Elino P. Esplana as Diocesan administrator. He will lead the Diocese for the time being until the appointment of a new bishop for Boac.