Aylmer
32
- Our Lady of Sorrows Catholic ChurchCatholic (Latin rite) · Church · 116 John Street South
- Assumption of the Blessed Virgin Ukrainian Orthodox CathedralOrthodox (Byzantine) · Church · 1000 Byron Avenue
- Aylmer Baptist ChurchBaptist · Church · 153 John Street South
- Aylmer Evangelical Mennonite Mission ChurchAnabaptist · House of prayer · 50619 Talbot Line
- Aylmer Evangelical Missionary ChurchAnabaptist · Church · 9304 Rogers Road
- Aylmer Full GospelChurch · 344 Talbot Street East
- Aylmer United ChurchChurch · 164 Rue Principale
- Bethel United Reformed ChurchReformed and Presbyterian · House of prayer · 49823 Talbot Line
- Calton Baptist ChurchBaptist · Church · 6780 Richmond Road
- Calton Conservative Mennonite ChurchAnabaptist · Church · 6732 Richmond Road
- Cambodian Evangelical FellowshipHouse of prayer · 889 Watson Street
- Christian Reformed ChurchReformed and Presbyterian · House of prayer · 194 South Street
- Church of GodChurch · 9 Bradley Street
- Church of God AylmerChurch · 751 John Street North
- Community of ChristOther restorationist · Church · 888 Byron Avenue
- Creekside Community ChurchChurch · 48014 Talbot Line
- Kingdom Hall of Jehovah's WitnessesOther restorationist · Kingdom Hall · 783 John Street North
- Malahide United ChurchChurch · 49454 Calton Line
- Mount Salem Evangelical Mennonite ChurchAnabaptist · Church · 6576 Springfield Road
- New Apostalic ChurchChurch · 2674 Priscilla Street
- Old Colony Mennonite ChurchAnabaptist · Church · 49989 Dingle Street
- Old Somerfelder Gemeinde of OntarioAnabaptist · Church · 8411 John Street South
- Open Bible Baptist ChurchBaptist · House of prayer · 9060 Hacienda Road
- Ottawa Reformed Presbyterian ChurchReformed and Presbyterian · Church · 464 Woodland Avenue
- Our Lady of FatimaCatholic (Latin rite) · Church · 153 Woodroffe Avenue
- Reinland Fellowship Mennonite ChurchAnabaptist · House of prayer · 51979 Glencolin Line
- Saint John's Lutheran ChurchLutheran · Church · 448 Talbot Street West
- Saint Paul United ChurchChurch · 5 Queen Street
- Sommerfeld MennoniteAnabaptist · Church · 6700 Springfield Road
- Templo Evangelico Hispano Fuente de VidaChurch · 62 Pine Street West
- Trinity United ChurchAnglican · Church · 170 John Street North
- Woodroffe United ChurchChurch · 207 Woodroffe Avenue