- Sacriston St. Bede Roman Catholic Church, (Roman Catholic)
- Sacriston St. Peter, (Church of England)
- Sacriston, High Front Street, formerly Primitive Methodist Church, (Methodist)
- Sacriston, St. John, formerly Wesleyan Methodist Church, (Methodist)
- Sadberge Methodist Church, (Methodist)
- Sadberge St. Andrew, (Church of England)
- Saltburn Preparative Meeting, (Society of Friends)
- Satley St. Cuthbert, (Church of England)
- Seaham Colliery Wesleyan Methodist Church, (Methodist)
- Seaham Harbour (Centenary) Methodist Church, Stewart Street, formerly Primitive Methodist, (Methodist)
- Seaham Harbour (Deneside), (Church of England)
- Seaham Harbour Methodist Church (Tempest Place, later Tempest Road) (formerly Wesleyan Methodist), (Methodist)
- Seaham Harbour Methodist Church, Tempest Road (formerly Tempest Place) (formerly Primitive Methodist), (Methodist)
- Seaham Harbour Presbyterian Church, (Presbyterian)
- Seaham Harbour St. John, (Church of England)
- Seaham Harbour St. Mary Magdalen Roman Catholic Church, (Roman Catholic)
- Seaham Harbour, Church Street, United Methodist Free Church, (Methodist)
- Seaham Harbour, Parkside, Methodist Church, (Methodist)
- Seaham Primitive Methodist Circuit, New Seaham, (Methodist)
- Seaham Primitive Methodist Circuit, Seaham Harbour, (Methodist)
- Seaham St. Mary, (Church of England)
- Seaton Carew Holy Trinity, (Church of England)
- Sedgefield (formerly Wesleyan) Methodist Church (North End), (Methodist)
- Sedgefield St. Edmund the Bishop, (Church of England)
- Sedgefield St. John Fisher Roman Catholic Church, (Roman Catholic)
- Sedgefield St. Joseph Roman Catholic Church, (Roman Catholic)
- Shadforth St. Cuthbert, (Church of England)
- Sherburn Hospital, (Church of England)
- Sherburn Parkinson Memorial Methodist Church, (Methodist)
- Sherburn St. Mary, (Church of England)
- Sherburn Wesleyan Methodist Church, (Methodist)
- Shield Row Primitive Methodist Church, (Methodist)
- Shildon and New Shildon Wesleyan Methodist Circuit, (Methodist)
- Shildon Chapel Row Methodist Church, (Methodist)
- Shildon Garbutt Street United Methodist Free Church, (Methodist)
- Shildon Main Street, formerly Wesleyan, Methodist Church, (Methodist)
- Shildon Methodist New Connexion Church, (Methodist)
- Shildon Preparative Meeting, (Society of Friends)
- Shildon Primitive Methodist Circuit, (Methodist)
- Shildon St. John, (Church of England)
- Shildon St. Johns Road Primitive Methodist Church, (Methodist)
- Shildon St. Thomas the Apostle Roman Catholic Church, (Roman Catholic)
- Shincliffe Colliery Methodist New Connexion Church, (Methodist)
- Shincliffe St. Mary the Virgin, (Church of England)
- Shiney Row St. Oswald, (Church of England)
- Shotley Bridge and Consett Methodist Circuit, formerly Wesleyan Methodist, (Methodist)
- Shotley Bridge Hospital, (Church of England)
- Shotley Bridge Our Lady of the Rosary Roman Catholic Church, (Roman Catholic)
- Shotley Bridge Primitive Methodist Circuit, (Methodist)
- Shotley Bridge Trinity Methodist Church, formerly Wesleyan Methodist, (Methodist)