| 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 |
| 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 |
| 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 |