All denominations in Watertown, South Dakota
- Assemblies of God
- Baptist
- Christian and Missionary Alliance
- Christian Church
- Church of Christ
- Episcopal Church
- Evangelical Free Church of America
- Evangelical Lutheran
- Foursquare Church
- Lutheran Church
- Lutheran Congregation in Mission for Christ - LCMC
- New Life
- Presbyterian Church
- Reformed Church
- Roman Catholic
- Seventh-day Adventist Church
- The Church of Jesus Christ of Latter-day Saints
- United Church of Christ
- United Methodist Church
- United Pentecostal Church International
- Wesleyan Church
