| Oswestry Golf Club | Queens Head | Shropshire |  England | inactive |
| Ota Futaba Country Club | Ota | Gunma |  Japan | inactive |
| Otagawa Golf Club | Asaminami | Hiroshima | Japan | inactive |
| Otago Golf Club | Dunedin | Otago |  New Zealand | inactive |
| Otaki Country Club | Isumi | Chiba | Japan | inactive |
| Otaki Golf Club | Otaki | Wellington | New Zealand | inactive |
| Otakou Golf Club | Dunedin | Otago | New Zealand | inactive |
| Otani Hiroo Country Club | Sasayama | Hyogo | Japan | inactive |
| Otani Nishiki Country Club | Sasayama | Hyogo | Japan | inactive |
| Otaru Country Club | Otaru | Hokkaido | Japan | inactive |
| Otautau Golf Club | Otautau | Southland | New Zealand | inactive |
| Otematata Golf Club | Otematata | Otago | New Zealand | inactive |
| Otepaa Golf Center | Mäha | Valga |  Estonia | inactive |
| Otepaa Golf Center | Otepaa | Valga | Estonia | Active |
| Othello Golf Club | Othello | Washington |  United States of America | inactive |
| Otis Park Golf Course | Bedford | Indiana | United States of America | inactive |
| Otley Golf Club | Otley | West Yorkshire | England | inactive |
| Otome | Sunto | Shizuoka | Japan | inactive |
| Otowa | Agatsuma | Gunma | Japan | inactive |
| Otsego Golf Club | Springfield Center | New York | United States of America | inactive |
| Otsego Golf Club | Gaylord | Michigan | United States of America | inactive |
| Otsu Country Club - East Course | Otsu | Shiga | Japan | inactive |
| Otsu Country Club - West Course | Otsu | Shiga | Japan | inactive |
| Otsuki Garden Club | Tsuru | Yamanashi | Japan | inactive |
| Ottawa Great Life Golf Country Club | Ottawa | Kansas | United States of America | inactive |
| Ottawa Hunt & Golf Club | Ottawa | Ontario |  Canada | inactive |
| Ottawa Park Golf Course | Toledo | Ohio | United States of America | inactive |
| Otte Golf Center | Greenwood | Indiana | United States of America | inactive |
| Otter Creek Golf Club | Columbus | Indiana | United States of America | inactive |
| Otter Creek Golf Club | Otterville | Ontario | Canada | inactive |
| Otter Creek Golf Course | Ankeny | Iowa | United States of America | inactive |
| Otter Valley Golf Course | George | Iowa | United States of America | inactive |
| Otter/Bear | Myrtle Beach | South Carolina | United States of America | inactive |
| Otterbourne Golf Course | Winchester | Hampshire | England | inactive |
| Otterkill Golf & Country Club | Campbell Hall | New York | United States of America | inactive |
| Ottumwa Country Club | Ottumwa | Iowa | United States of America | inactive |
| Otukpo Golf & Country Club - St Mark | Akpegedde | Benue |  Nigeria | inactive |
| Otumoetai Golf Club | Tauranga | Bay of Plenty | New Zealand | inactive |
| Otway Golf Club | Rathmullan | Donegal |  Ireland | inactive |
| OU Golf & Learning Center | Rochester | Michigan | United States of America | inactive |
| Ouachita Country Club | Mena | Arkansas | United States of America | inactive |
| Ouagadougou Golf Club | Ouagadougou | Kadiogo |  Burkina Faso | inactive |
| Ouarzazate Royal Golf Club | Ouarzazate | Souss-Massa-Drâa |  Morocco | inactive |
| Ouarzazate Royal Golf Club | Ouarzazate | Souss-Massa-Drâa | Morocco | inactive |
| Oubaai Golf Club | George | Western Cape |  South Africa | inactive |
| Oudtshoorn Golf Club | Oudtshoorn | Western Cape | South Africa | inactive |
| Oued Fès Golf | Fès | Fès-Meknès | Morocco | Active |
| Ouest | Sailly | Ile-de-France |  France | inactive |
| Ouest | Stoneham | Québec | Canada | inactive |
| Oughterard Golf Club | Oughterard | Galway | Ireland | inactive |