| Jurisdiction: | Diocese |
| Border: | Catholic |
| Kalookan | |
| Latin: | Dioecesis Kalookana |
| Local: | Diyosesis ng Kalookan Diócesis de Caloocan |
| Coat: | File:Coat of arms of the Diocese of Kalookan.svg |
| Coat Size: | 150px |
| Country: |  Philippines |
| Metropolitan: | Manila |
| Territory: | |
| Province: | Manila |
| Coordinates: | 14.5858°N 120.9728°W |
| Area Km2: | 45 |
| Population: | 2,289,649 |
| Population As Of: | 2021 |
| Catholics: | 2,060,684[1] |
| Parishes: | 31 parishes (29 full-fledged parishes and 2 quasi-parishes) |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | June 28, 2003 |
| Cathedral: | Cathedral of St. Roch |
| Patron: | Saint Roch |
| Priests: | 40 |
| Bishop: | Pablo Virgilio David |
| Metro Archbishop: | Jose Advincula |
| Vicar General: | Jeronimo Ma. J. Cruz |
| Emeritus Bishops: | Deogracias S. Iñiguez, Jr. |
| Footnotes: | Statistics from gcatholic.org |
The Diocese of Kalookan is a diocese of the Latin Church of the Catholic Church in Metro Manila, Philippines which comprises Malabon, Navotas, and the southern portion of Caloocan.
The Diocese was created by Pope John Paul II on June 28, 2003 through his apostolic letter Quoniam Quaelibet.[2] The diocese was canonically erected on August 22, 2003, with the installation of its first bishop, Deogracias S. Iñiguez, then Bishop of Iba, Zambales. Upon Iñiguez's resignation on January 25, 2013, Antipolo Auxiliary Bishop Francisco M. De Leon was named Apostolic Administrator of the diocese. On October 14, 2015, Pope Francis named Pablo Virgilio S. David, auxiliary bishop of Archdiocese of San Fernando in Pampanga, as the second bishop of Kalookan and installed on January 2, 2016.
, there are approximately 1,330,840 people in the diocese, with ~89% of them (~1,184,000) being baptized Catholics, and there are 76 priests (40 diocesan and 36 religious) serving 31 parishes.[1] The average number of baptisms in a year between the years 2003-05 was 680. The two prominent Christian religions in the diocese next to Catholicism are the Philippine Independent Church (IFI, Aglipayan) and Iglesia ni Cristo (Church of Christ).
| Bishop | Period in Office | Coat of Arms | ||
|---|---|---|---|---|
| 1. | Deogracias S. Iñiguez, Jr. | 2003 - 2013 | ||
| 2. | Pablo Virgilio S. David | 2015 - Present | ||