The Roman Catholic Diocese of San Bernardino (Latin: Dioecesis Sancti Bernardi) is a Roman Catholic diocese centered in San Bernardino, California. It was founded on July 14, 1978, and comprises San Bernardino and Riverside counties. The Diocese of San Bernardino used to be part of the Diocese of San Diego. The diocese has 91 parishes, 7 missions and 5 chapels in its territory, and it is considered a home mission diocese; its cathedral is Our Lady of the Rosary Cathedral in San Bernardino. The diocese has become well known as one of the leaders among Catholic dioceses in implementing the Parish Coordinator model of parish leadership.