| Otara Pacific Island Presbyterian Church | — | — | — | |
| Otara Samoan Assembly of God | — | 32 Kerwyn Avenue, 2013 | — | |
| Otara Seventh-Day Adventist Church | — | 86 Bairds Road, Auckland, 2023 | — | |
| Otara Tongan Assembly of God | — | Bairds Road & Newbury Road, Auckland, 2023 | — | |
| Otaua Combined Church | — | — | — | |
| Otorohanga Baptist Church | — | 8 Ranfurly Street, Ōtorohanga, 3900 | — | |
| Otumoetai Baptist Church | — | 241 Otumoetai Road, Tauranga, 3110 | — | |
| Otumoetai Church of Christ | — | 258 Ngatai Road, Tauranga, 3110 | — | |
| Our City Church | — | 133 Central Park Drive, Auckland, 0610 | — | |
| Our Lady Help of Christians Catholic Church | — | — | — | |
| Our Lady Help of Christians Parish | — | 24 Clinton Street, New Plymouth, 4312 | — | |
| Our Lady Help of Christians Parish, Culverden | — | 12 Montrose Avenue, Culverden, 7392 | — | |
| Our Lady of Fatima Church - Tawa | — | 169 Main Road, Wellington, 5028 | — | |
| Our Lady of Fatima Parish | — | 4 Lucia Glade, Auckland, 1072 | — | |
| Our Lady Of Fátima Shrine | — | — | — | |
| Our Lady of Grace Parish Heretaunga | — | 5 Palmer Crescent, Upper Hutt, 5019 | — | |
| Our Lady Of Kāpiti | — | — | — | |
| Our Lady of Kāpiti Church & Parish Centre | — | 20 Milne Drive, Paraparaumu, 5032 | — | |
| Our Lady of Lourdes | — | 96 Shamrock Street, Palmerston North, 4412 | — | |
| Our Lady of Lourdes | — | 7 Glendale Road, Auckland, 0602 | — | |
| Our Lady of Lourdes Grotto | — | — | — | |
| Our Lady of Lourdes Parish | — | 85 Te Mata Road, Havelock North, 4130 | — | |
| Our Lady of Lourdes Shrine | — | — | — | |
| Our Lady of Lourdes Shrine | — | — | — | |
| Our Lady of Lourdes Shrine | — | — | — | |
| Our Lady Of Lourdes Shrine | — | — | — | |
| Our Lady of Peace Parish | — | 5 Liddle Street, Roxburgh, 9500 | — | |
| Our Lady of Perpetual Help Church | — | 35 William Street, Richmond, 7020 | — | |
| Our Lady Of Pukekaraka | — | — | — | |
| Our Lady Of Tenderness | — | — | — | |
| Our Lady of the Alps | — | — | — | |
| Our Lady of the Antipodes | — | — | — | |
| Our Lady of the Assumption | — | 170 Hoon Hay Road, Christchurch, 8025 | — | |
| Our Lady of the Assumption Catholic Church | — | 130 Church Street, Auckland, 1061 | — | |
| Our Lady Of The Immaculate Conception Catholic Church | — | 19 Hislop Street, Geraldine, 7930 | — | |
| Our Lady of the Rosary | — | 5035 Pahiatua Pongaroa Road, Pongaroa | — | |
| Our Lady Of The Rosary | — | — | — | |
| Our Lady of the Rosary, Waiwhetu | — | 61 Waiwhetu Road, Lower Hutt, 5010 | — | |
| Our Lady Of The Sacred Heart Catholic Church | — | 19 Banff Avenue, Auckland, 1023 | — | |
| Our Lady of the Snows | — | — | — | |
| Our Lady of the Snows - Methven | — | 20 Main Street, Methven, 7730 | — | |
| Our Lady of Victories Parish | — | 106 Main South Road, Christchurch, 8042 | — | |
| Our Lady Star of the Sea | — | 33 Whitcombe Road, Ōpunake, 4645 | — | |
| Our Lady Star of the Sea Catholic Church | — | 24 Picton Street, Auckland, 2014 | — | |
| Our Lady Star of the Sea Parish | — | 42 Dryden Street, Christchurch, 8081 | — | |
| Owaka Baptist Church | — | 35 Main Road, Owaka, 9535 | — | |
| Owaka Grace Fellowship | — | 3 Campbell Street, Owaka | — | |
| Oxford District Union Parish | — | — | — | |
| Oxford Seventh-Day Adventist Church | — | 21 Main Street, Oxford, 7430 | — | |
| Oxford Terrace Baptist Church | — | 288 Oxford Terrace, Christchurch, 8011 | — | |