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- Saint Mary's Parish Church Catholic (Latin rite) · Church · 95 Marlborough Street North
- Blenheim Baptist Church Baptist · Church · 24 Talbot Street East
- Blenheim Christian Reformed Church Reformed and Presbyterian · Church · 286 Chatham Street South
- Blenheim Mennonite Church Anabaptist · Church · 425 Catherine Street
- Community of Christ Other restorationist · Church · 9096 West Ridge Line
- Glad Tidings Community Church Pentecostal and Charismatic · Church · 403 Chatham Street South
- Kingdom Hall of Jehovah's Witnesses Other restorationist · Kingdom Hall · 353 Talbot Street East
- Trinity Anglican Church Anglican · Church · 59 Ellen Street
- Word of Life Church House of prayer · 22 Talbot Street West