A list of file titles about Seventh-day Adventist churches located in the United States and world wide.
| Classification | Country | State/Province | City/Town | Church Sort descending |
|---|---|---|---|---|
| United States Church File | United States | Wisconsin | Oakland | Oakland SDA Church /former Norwegian SDA Church |
| International Church File | New Zealand | Otago - South Island | Oamaru | Oamaru SDA Church |
| United States Church File | United States | California | Palm Desert | Oasis SDA Church |
| United States Church File | United States | Florida | Ocala | Ocala SDA Church |
| United States Church File | United States | California | Oceanside | Oceanside SDA Church |
| United States Church File | United States | Wisconsin | Oconto | Oconto SDA Church |
| International Church File | Switzerland | Oertlimatt | Oertlimatt SDA Church | |
| United States Church File | United States | Tennessee | Dayton | Ogden Road SDA Church |
| United States Church File | United States | California | Ojai | Ojai Valley SDA Church |
| United States Church File | United States | Oklahoma | Okeene | Okeene SDA Church - (merged with East Cooper in 1972) |
| United States Church File | United States | New York | Long Island - Old Westbury | Old Westbury SDA Church |
| United States Church File | United States | California | Olivehurst | Olivehurst SDA Church |
| United States Church File | United States | Texas | Amarillo | Olsen Park SDA Church |
| United States Church File | United States | Washington | Olympia | Olympia SDA Church |
| United States Church File | United States | Washington | Onalaska | Onalaska/Jackson Prairie SDA Church |
| United States Church File | United States | New York | Oneonta | Oneonta SDA Church |
| United States Church File | United States | California | Ontario | Ontario SDA Church |
| United States Church File | United States | Virginia | Orange | Orange SDA Church |
| United States Church File | United States | California | Orangevale | Orangevale SDA Church |
| United States Church File | United States | Washington | Orcas Island | Orcas Island SDA Church |
| United States Church File | United States | Oregon | Oregon City | Oregon City SDA Church |
| United States Church File | United States | Michigan | Lake Orion | Orion - Oxford SDA Church |
| United States Church File | United States | California | Orland | Orland SDA Church |
| United States Church File | United States | California | Orleans | Orleans SDA Church |
| United States Church File | United States | California | Orosi | Orosi SDA Church |
| United States Church File | United States | California | Oroville | Oroville SDA Church |
| International Church File | Japan | Osaka | Osaka Evangelistic Center & Church/Osaka Central SDA Church | |
| International Church File | Japan | Osaka | Osaka Korean SDA Church | |
| International Church File | Australia | Western Australia | Perth | Osborne Park SDA Church |
| United States Church File | United States | Idaho | Osburn | Osburn SDA Church |
| United States Church File | United States | Iowa | Osceola | Osceola SDA Church |
| United States Church File | United States | Washington | Othello | Othello SDA Church |
| United States Church File | United States | Michigan | Otsego | Otsego SDA Church |
| International Church File | Canada | Ontario | Ottawa | Ottawa East SDA Church |
| United States Church File | United States | Kansas | Ottawa | Ottawa SDA Church |
| United States Church File | United States | Kentucky | Owensboro | Owensboro SDA Church |
| United States Church File | United States | Missouri | Owensville | Owensville SDA Church |
| United States Church File | United States | Alabama | Ider | Ownbey Chapel (see also Floral Crest SDA Church |
| United States Church File | United States | Michigan | Owosso | Owosso SDA Church |
| International Church File | England | Oxford | Oxford SDA Church(Chester Street) | |
| International Church File | England | Wolverhampton | Oxford Street SDA Church | |
| United States Church File | United States | California | Oxnard | Oxnard SDA Church |
| United States Church File | United States | California | Angwin | Pacific Union College Church |
| United States Church File | United States | Florida | Palatka | Palatka SDA Church |
| United States Church File | United States | Colorado | Palisade | Palisade SDA Church |
| United States Church File | United States | Florida | Altamonte Springs | Palm Bay SDA Church |
| United States Church File | United States | California | Palm Springs | Palm Springs SDA Church |
| United States Church File | United States | California | Palmdale | Palmdale SDA Church |
| United States Church File | United States | Florida | Palmetto | Palmetto SDA Church |
| United States Church File | United States | California | Palo Alto | Palo Alto SDA Church |