Roman Catholic Diocese of Orange

Diocese of Orange in California Dioecesis Arausicanae in California Giáo phận Quận Cam
The diocesan coats of arms of the Diocese of Orange
Location
Country	United States
Territory	Orange County
Ecclesiastical province	Los Angeles
Metropolitan	Orange, California
Population - Catholics	1,170,480  (38.8%)
Information
Denomination	Roman Catholic
Rite	Roman Rite
Established	March 24, 1976
Cathedral	Cathedral of the Holy Family 1976–2016 Christ Cathedral (formerly known as the Crystal Cathedral) 2016–present
Patron saint	Our Lady of Guadalupe
Current leadership
Pope	Francis
Bishop	Kevin Vann
Metropolitan Archbishop	José Gómez Archbishop of Los Angeles
Auxiliary Bishops	Timothy Edward Freyer
Emeritus Bishops	Tod David Brown Dominic Mai Luong
Map
Website
www.rcbo.org

The Roman Catholic Diocese of Orange (Latin: Dioecesis Arausicanae in California; Spanish: Diócesis de Orange; Vietnamese: Giáo phận Quận Cam) is a particular church of the Latin Rite of the Catholic Church whose territory comprises the whole of Orange County, California, in the United States. It may also be referred to as the Roman Catholic Diocese of Orange in California to avoid confusion with the historical Diocese of Orange, France, which was dissolved in 1801.

Orange is a suffragan diocese of the Archdiocese of Los Angeles, from whose territory it was erected in 1976. The diocesan cathedral is the Cathedral of the Holy Family in the City of Orange, and its Bishop Kevin Vann, officially installed on December 10, 2012. Diocesan offices are situated at Marywood Pastoral Center in Orange.

In addition to its 56 parish churches, the diocese oversees 44 schools, three general hospitals, plus one disabled and five ethnic ministry centers. It also sponsors a variety of programs and activities in conjunction with other local organizations.

The diocesan patroness is Our Lady of Guadalupe.

The Catholic Church presence in present-day Orange County dates to the 1776 establishment of Mission San Juan Capistrano, a Spanish mission founded by Father Junipero Serra and the Franciscan order. At the time the region was part of the Las Californias province of New Spain. In 1804 present-day Orange County became part of Alta California when Las Californias was split in two; Alta California then became part of Mexico when the latter gained independence from Spain in 1821. From the mission the missionary priests set out to convert the native population to Catholicism; over 4,000 people were converted between 1776 and 1847.