The Roman Catholic Diocese of Manchester is a diocese located in the state of New Hampshire. Established in 1884, it serves the spiritual needs of Catholics in the region, overseeing numerous parishes, schools, and community services. The diocese is part of the larger United States Conference of Catholic Bishops. The diocese is led by a bishop, who is responsible for guiding the local church and its activities. It focuses on promoting the teachings of the Catholic Church, fostering community engagement, and providing support to those in need through various outreach programs.