| Okanokouen Kiyosato Golf Course | Hokuto | Yamanashi | Japonsko | inactive |
| Okatie Creek Golf Club | Bluffton | South Carolina | Spojené státy | inactive |
| Okatoma Golf Club | Collins | Mississippi | Spojené státy | inactive |
| Okayama Country Club - Momonosato Course | Okayama | Okayama | Japonsko | inactive |
| Okayama Golf Club - Obie Course | Kurashiki | Okayama | Japonsko | inactive |
| Okayama Kasumibashi Golf Club | Kurashiki | Okayama | Japonsko | inactive |
| Okayama Kinryo Country Club | Okayama | Okayama | Japonsko | inactive |
| Okayama Kita Golf Club | Okayama | Okayama | Japonsko | inactive |
| Okayama Kokusai Golf Club | Soja | Okayama | Japonsko | inactive |
| Okayama Kuko Golf Club | Okayama | Okayama | Japonsko | inactive |
| Okayama Mitsu Country Club | Kita | Okayama | Japonsko | inactive |
| Okayama Nishi Golf Club | Ibara | Okayama | Japonsko | inactive |
| Okazaki Country Club | Okazaki | Aichi | Japonsko | inactive |
| Okeechobee Executive Golf Course | The Villages | Florida | Spojené státy | inactive |
| Okeeheelee Golf Course | West Palm Beach | Florida | Spojené státy | inactive |
| Okeene Golf Club | Okeene | Oklahoma | Spojené státy | inactive |
| Okefenokee Country Club | Blackshear | Georgia | Spojené státy | inactive |
| Okehampton Golf Club | Okehampton | Devon | Anglie | inactive |
| Okemah Golf Course | Okemah | Oklahoma | Spojené státy | inactive |
| Okemo Valley Golf Club | Ludlow | Vermont | Spojené státy | inactive |
| Okgwakian Country Club | Gokseong | South Jeolla | Jižní Korea | inactive |
| Okinawa Country Club | Nakagami | Okinawa | Japonsko | inactive |
| Okinawa Country Club | Monte Grande | Buenos Aires | Argentina | inactive |
| Okinawa Kokusai Golf Club | Kunigami | Okinawa | Japonsko | inactive |
| Okinawa Royal Golf Club | Uruma | Okinawa | Japonsko | inactive |
| Okkala Golf Resort | Yangon | Yangon | Myanmar | inactive |
| Oklahoma City Golf & Country Club | Oklahoma City | Oklahoma | Spojené státy | inactive |
| Öko Golf Neusiedlercsarda | Neusiedl am See | Burgenland | Rakousko | inactive |
| Okoboji View Golf Course | Spirit Lake | Iowa | Spojené státy | inactive |
| Okoroire Golf Club | Okoroire | Waikato | Nový Zéland | inactive |
| Okudogo Golf Club | Matsuyama | Ehime | Japonsko | inactive |
| Okura Country Club | Nishikata | Tochigi | Japonsko | inactive |
| Okutama | Akiruno | Tokyo | Japonsko | inactive |
| Okutsu Golf Club | Tomata | Okayama | Japonsko | inactive |
| Ol' Colony Golf Course | Tuscaloosa | Alabama | Spojené státy | inactive |
| Olafsfjordur Golf Course | Olafsfjordur | Northeast | Island | inactive |
| Olalla Valley Golf Course | Toledo | Oregon | Spojené státy | inactive |
| Øland Golfklub | Brovst | Nordjylland | Dánsko | inactive |
| Ölands Golfklubb | Löttorp | Kalmar | Švédsko | inactive |
| Olandsbygdens Golfklubb | Alunda | Uppsala | Švédsko | inactive |
| Olathea Golf Course | Le Claire | Iowa | Spojené státy | inactive |
| Olazabal | Dongguan | Guangdong | Čína | inactive |
| Old | New Richmond | Wisconsin | Spojené státy | inactive |
| Old | Hot Springs | Virginia | Spojené státy | inactive |
| Old | Hot Springs | Virginia | Spojené státy | inactive |
| Old | Whitney | Texas | Spojené státy | inactive |
| Old | Garland | Texas | Spojené státy | inactive |
| Old | Sarver | Pennsylvania | Spojené státy | inactive |
| Old | Bethlehem | Pennsylvania | Spojené státy | inactive |
| Old | Lake Orion | Michigan | Spojené státy | inactive |