| Ouimet / Zaharias | Plymouth | Massachusetts |  United States of America | inactive |
| Ouimet / Zaharias | Plymouth | Massachusetts | United States of America | inactive |
| Ould Newbury Golf Club | Newbury | Massachusetts | United States of America | inactive |
| Ouleout Creek Golf Course | North Franklin | New York | United States of America | inactive |
| Oulton Hall | Leeds | West Yorkshire |  England | inactive |
| Oulujokilaakson Golf | Muhos | Northern Ostrobothnia |  Finland | inactive |
| Oulun Golf Oy | Oulu | Northern Ostrobothnia | Finland | inactive |
| Oundle Golf Club | Oundle | Northamptonshire | England | inactive |
| Our Lucaya Resort | Freeport | Grand Bahama Island |  Bahamas | inactive |
| Our Ponderosa Cottage & RV Resort | Ipperwash | Ontario |  Canada | inactive |
| Ouse Golf Club | Ouse | Tasmania |  Australia | inactive |
| Oustøen Country Club | Snarøya | Akershus |  Norway | inactive |
| Out | Kikuchi | Kumamoto |  Japan | inactive |
| Out | Kutsuki | Shiga | Japan | inactive |
| Out | Okaya | Nagano | Japan | inactive |
| Out | Isehara | Kanagawa | Japan | inactive |
| Out | Atsugi | Kanagawa | Japan | inactive |
| Out-In | Kikuchi | Kumamoto | Japan | inactive |
| Out-New | Kikuchi | Kumamoto | Japan | inactive |
| Outdoor Country Club | York | Pennsylvania | United States of America | inactive |
| Outdoor Resort & Country Club | Cathedral City | California | United States of America | inactive |
| Outdoor Resort Indio | Indio | California | United States of America | inactive |
| Outeniqua | George | Western Cape |  South Africa | inactive |
| Outlane Golf Club | Huddersfield | West Yorkshire | England | inactive |
| Outlaw | Scottsdale | Arizona | United States of America | inactive |
| Outlook Riverview Golf Club | Outlook | Saskatchewan | Canada | inactive |
| Outokummun Golfseura | Outokumpu | North Karelia | Finland | inactive |
| Outrup Golfklub | Outrup | Syddanmark |  Denmark | inactive |
| Ouyen Golf Club | Ouyen | Victoria | Australia | inactive |
| Over Lake Golf Course | Girard | Pennsylvania | United States of America | inactive |
| Overbrook Golf Club | Bryn Mawr | Pennsylvania | United States of America | inactive |
| Overijse Golf Club | Overijse | Vlaams-Brabant |  Belgium | inactive |
| Overlake Golf & Country Club | Medina | Washington | United States of America | inactive |
| Overland Golf Course | Big Timber | Montana | United States of America | inactive |
| Overland Golf Course | Denver | Colorado | United States of America | inactive |
| Overlook | Old Westbury | New York | United States of America | inactive |
| Overlook /Mt.Vew | Kennesaw | Georgia | United States of America | inactive |
| Overlook Golf Course | Lancaster | Pennsylvania | United States of America | inactive |
| Overpeck Golf Course | Teaneck | New Jersey | United States of America | inactive |
| Overstone Park Golf Club | Overstone | Northamptonshire | England | inactive |
| Overton Community Golf Course | Overton | Texas | United States of America | inactive |
| Overton Golf Course | Overton | Nebraska | United States of America | inactive |
| Overton Park Golf Course | Memphis | Tennessee | United States of America | inactive |
| Oviinbyrd Golf Club | Foot's Bay | Ontario | Canada | inactive |
| Övnings | Alfta | Gävleborg |  Sweden | inactive |
| Övnings | Rosersberg | Stockholm | Sweden | inactive |
| Ovningsomrade | Enköping | Uppsala | Sweden | inactive |
| Owaka Golf Club | Owaka | Otago |  New Zealand | inactive |
| Owasco (Alternate Tees) | Auburn | New York | United States of America | inactive |
| Owasco Country Club | Auburn | New York | United States of America | inactive |