The Bishop of San Bernardino is the leader of the Roman Catholic Diocese of San Bernardino, located in California. This diocese was established in 1978 and serves a diverse population of Catholics in the region. The bishop oversees the spiritual and administrative needs of the diocese, which includes parishes, schools, and various ministries. The current bishop is Bishop Alberto Rojas, who was appointed in 2018. The diocese is part of the larger Archdiocese of Los Angeles and plays a significant role in the Catholic Church's mission to serve the community through education, social services, and spiritual guidance.