Waterdown
21
- Holy Rosary Catholic ChurchCatholic (Latin rite) · Church
- St. John's Roman Catholic ChurchCatholic (Latin rite) · House of prayer
- St. Thomas Catholic ChurchChurch
- Calvin Christian Reformed ChurchHouse of prayer · 420 Highway 5 West
- Carlisle United ChurchHouse of prayer
- Community ChurchHouse of prayer
- Compass Point Bible ChurchChurch
- East Plains United ChurchChurch
- Grace Anglican ChurchAnglican · Church
- Holy Protection of the Blessed Virgin MaryEastern Catholic · Church
- Knox Presbyterian ChurchReformed and Presbyterian · House of prayer
- Seventh-Day Adventist ChurchHouse of prayer
- St. James United ChurchChurch
- St. Luke's Anglican ChurchAnglican · Church · 1382 Ontario Street
- West Plains United ChurchHouse of prayer