The Diocese of Milwaukee is a Roman Catholic diocese located in Wisconsin, USA. It was established in 1843 and serves a diverse community of Catholics in the region. The diocese is part of the larger United States Conference of Catholic Bishops and is dedicated to spiritual growth, education, and social justice. The diocese encompasses several counties and includes numerous parishes, schools, and ministries. Its mission focuses on fostering faith, promoting community service, and supporting the needs of its members. The current bishop, as of 2023, is Bishop Jeffrey Haines, who oversees the diocese's activities and initiatives.