| Obatago Golf Club | Kanra | Gunma |  Japan | inactive |
| Oberhessischer Golf-Club Marburg | Colbe | Hesse |  Germany | inactive |
| Oberlin Country Club | Oberlin | Kansas |  United States of America | inactive |
| Oberlin Golf Club | Oberlin | Ohio | United States of America | inactive |
| Oberon Golf Club | Oberon | New South Wales |  Australia | inactive |
| Obihiro Country Club | Kasai | Hokkaido | Japan | inactive |
| Obihiro Kokusai Country Club | Nakagawa | Hokkaido | Japan | inactive |
| Obihiro Riverside Golf Club | Obihiro | Hokkaido | Japan | inactive |
| Obihiro Shirakaba Country Club | Kato | Hokkaido | Japan | inactive |
| Observatory Golf Club | Johannesburg | Gauteng |  South Africa | inactive |
| Obuasi Golf Club | Obuasi | Ashanti |  Ghana | inactive |
| Ocala Golf Club | Ocala | Florida | United States of America | inactive |
| Ocala National Golf Club | Ocala | Florida | United States of America | inactive |
| Ocala Palms Golf Club | Ocala | Florida | United States of America | inactive |
| Ocaragua golf Club | Marcos Paz | Buenos Aires |  Argentina | inactive |
| Occidente | Sciacca | Sicilia |  Italy | inactive |
| Occoneechee Golf Club | Hillsborough | North Carolina | United States of America | inactive |
| Ocean | Mashpee | Massachusetts | United States of America | inactive |
| Ocean | Kailua-Kona | Hawaii | United States of America | inactive |
| Ocean | Ponte Vedra Beach | Florida | United States of America | inactive |
| Ocean | Palm Coast | Florida | United States of America | inactive |
| Ocean | Rancho Santa Fe | California | United States of America | inactive |
| Ocean | Chongdan | Kanchanaburi |  Thailand | inactive |
| Ocean | Jeju | Jeju |  South Korea | inactive |
| Ocean | Jeju | Jeju | South Korea | inactive |
| Ocean | Yeongdeok | North Gyeongsang | South Korea | inactive |
| Ocean | Jung | Incheon | South Korea | inactive |
| Ocean | Nago | Okinawa | Japan | inactive |
| Ocean | Kamo | Shizuoka | Japan | inactive |
| Ocean | Cape Schanck | Victoria | Australia | inactive |
| Ocean - Arroyo | San Jose del Cabo | Baja California Sur |  Mexico | inactive |
| Ocean Acres Country Club | Manahawkin | New Jersey | United States of America | inactive |
| Ocean Bay Golf Club | Xinglong | Hainan |  China | inactive |
| Ocean Breeze Golf and Country Club | Boca Raton | Florida | United States of America | inactive |
| Ocean Castle Country Club | Nakagami | Okinawa | Japan | inactive |
| Ocean City Golf & Yacht | Berlin | Maryland | United States of America | inactive |
| Ocean City Municipal Golf Course | Ocean City | New Jersey | United States of America | inactive |
| Ocean Club Golf Course | Paradise Island | Nassau/Paradise Island |  Bahamas | inactive |
| Ocean Course Hokuala | Lihue | Hawaii | United States of America | inactive |
| Ocean Creek Golf Course at Fripp Island Resort | Saint Helena Island | South Carolina | United States of America | inactive |
| Ocean Dunes Golf Course | Nha Trang | Khanh Hoa |  Vietnam | inactive |
| Ocean Dunes Golf Links | Florence | Oregon | United States of America | inactive |
| Ocean Edge Resort & Golf Club | Brewster | Massachusetts | United States of America | inactive |
| Ocean Forest Golf Club | Sea Island | Georgia | United States of America | inactive |
| Ocean Golf Club | Shimen | New Taipei City |  Taiwan | inactive |
| Ocean Grove Golf Club | Ocean Grove | Victoria | Australia | inactive |
| Ocean Hills Country Club | Oceanside | California | United States of America | inactive |
| Ocean Links | Amelia Island | Florida | United States of America | inactive |
| Ocean Links Miyakojima | Miyako | Okinawa | Japan | inactive |
| Ocean Palm Golf Course | Flagler Beach | Florida | United States of America | inactive |