The Diocese of Sioux Falls is a Roman Catholic diocese located in South Dakota, covering the eastern part of the state. Established in 1889, it serves a diverse population through various parishes, schools, and ministries. The diocese is part of the larger ecclesiastical province of Saint Paul and Minneapolis. The diocese is led by a bishop, currently Bishop Donald DeGrood, who oversees the spiritual and administrative needs of the community. It focuses on promoting the teachings of the Catholic Church, fostering faith development, and providing support to local parishes and organizations.