| The Old Evening Star Church | | — | — | — | |
| The Old Dissenting Meeting-House | | — | — | — | |
| The Old Country Church | | — | — | — | |
| The Old Country Church | | — | — | — | |
| The Old Country Church | | — | — | — | |
| The Old Country Church | | — | — | — | |
| The Old Country Church | | — | — | — | |
| The old Church Smethwick | | — | — | — | |
| The Old Church on the Hill | | — | 97 Berry Hill Road, Sheffield, VT 05866 | — | |
| The Old Church of St. Andrew | | — | 135 South Sycamore Street, Newtown, PA 18940 | — | |
| The Old Church of St James, Alveston | | — | — | — | |
| The Old Church of Our Lady of Czestochowa | | — | 4a Kościeliska, Zakopane, 34-500 | — | |
| The Old Church | | — | — | — | |
| The Old Church | | — | — | — | |
| The Old Chapel | | — | — | — | |
| The Old Chapel | | — | — | — | |
| The Old Chapel | | — | — | — | |
| The Old Brick Church | | — | — | — | |
| The Old Bowdoinham Meetinghouse | | — | Abagadassette Road, Bowdoinham, ME 04008 | — | |
| The Old Apostolic Church of Vancouver | | — | 2671 Shaughnessy Street, Port Coquitlam | — | |
| The Old Apostolic Church of Africa Mtubatuba Community | | — | Mtubatuba, 3935 | — | |
| The Old Apostolic Church | | — | — | — | |
| The Old Apostolic Church | | — | — | — | |
| The Old Apostolic Church | | — | — | — | |
| The Old Apostolic Church | | — | — | — | |
| The Old Antioch Missionary Baptist Church | | — | — | — | |
| The Old & New Testament Church Of God | | — | May Street | — | |
| The Octagon Chapel | | — | Colegate, Norwich, NR3 1BN | — | |
| The Obedience Church of God | | — | — | — | |
| The Oasis of Healing Center | | — | Dar es salaam | — | |
| The Oasis Hutt City New Life Church | | — | 237 Cambridge Terrace, Lower Hutt, 5011 | — | |
| The Oasis Family Church | | — | 3794 Diamondview Road | — | |
| The Oasis Church (Elim) | | — | 15 Owen Street, Napier, 4110 | — | |
| The Oasis Church | | — | — | — | |
| The Oasis Church | | — | — | — | |
| The Oasis Church | | — | — | — | |
| The Oasis Church | | — | Tucson, AZ 85749 | — | |
| The Oasis Christian Centre | | — | 10a Exchange Street, Pontefract, WF9 2RD | — | |
| The Oasis Christian Centre | | — | Ysguborwen Road, Penmaenmawr, LL34 6PS | — | |
| The Oasis Centre | | — | Cley Road, Swaffham, PE37 7NP | — | |
| The Oasis | | — | — | — | |
| The Oaks Fellowship | | — | 777 South Interstate 35 E, Red Oak, TX 75154 | — | |
| The Oaks Church | | — | 4610 Southwest Archer Road, Gainseville, FL 32608 | — | |
| The Oaks Anglican Church | | — | 26 Merlin Street | — | |
| The Oaks | | — | WN8 6DD | — | |
| The Oak Tree Centre | | — | Wallinger Drive, Milton Keynes, MK5 7GZ | — | |
| The Oak Church | | — | 54 Bradford Road, Pudsey, LS28 6EF | — | |
| The Oak Church | | — | 3400 Shell Road, Georgetown, TX 78628 | — | |
| The Oak Chapel | | — | — | — | |
| The O.S. House of Prayer Ministries | | — | — | — | |