| Old South Golf Links | Bluffton | South Carolina |  USA | inactive |
| Old Stone Fort State Park | Manchester | Tennessee | USA | inactive |
| Old Thorns Manor Golf & Country Estate | Liphook | Hampshire |  England | Aktiv |
| Old Thorns Manor Golf & Country Estate | Liphook | Hampshire | England | Aktiv |
| Old Top Farm Golf Course | Crystal Lake | Illinois | USA | inactive |
| Old Town Club | Winston-Salem | North Carolina | USA | inactive |
| Old Town Golf | Monroe | Michigan | USA | inactive |
| Old Union Golf Club | Blairsville | Georgia | USA | inactive |
| Old Warson Country Club | St. Louis | Missouri | USA | inactive |
| Old Waverly Golf Club | West Point | Mississippi | USA | inactive |
| Old Wayne Golf Club | West Chicago | Illinois | USA | inactive |
| Old Westbury Country Club | Old Westbury | New York | USA | inactive |
| Old White | White Sulphur Springs | West Virginia | USA | inactive |
| Old Works Golf Course | Anaconda | Montana | USA | inactive |
| Old York Road Country Club | Spring House | Pennsylvania | USA | inactive |
| Old(1-9)+New(1-9) | Isnäs | Uusimaa |  Finland | inactive |
| Olde | Polson | Montana | USA | inactive |
| Olde Atlanta Golf Club | Suwanee | Georgia | USA | inactive |
| Olde Barnstable Fairgrounds Golf Club | Marstons Mills | Massachusetts | USA | inactive |
| Olde Beau Golf and Country Club | Roaring Gap | North Carolina | USA | inactive |
| Olde Cypress Golf Club | Naples | Florida | USA | inactive |
| Olde Dutch Mill Golf Course | Lake Milton | Ohio | USA | inactive |
| Olde Florida Golf Club | Naples | Florida | USA | inactive |
| Olde Hickory Golf and Country Club | Fort Myers | Florida | USA | inactive |
| Olde Highlander Golf Club | Oconomowoc | Wisconsin | USA | inactive |
| Olde Homeplace Golf Club | Winston-Salem | North Carolina | USA | inactive |
| Olde Homestead Golf Club | New Tripoli | Pennsylvania | USA | inactive |
| Olde Kinderhook Golf Club | Valatie | New York | USA | inactive |
| Olde Liberty Golf & Country Club | Youngsville | North Carolina | USA | inactive |
| Olde London | Lake Havasu City | Arizona | USA | inactive |
| Olde Masters Golf Club | Newtown Square | Pennsylvania | USA | inactive |
| Olde Mill Golf Course | Schoolcraft | Michigan | USA | inactive |
| Olde Mill Resort | Laurel Fork | Virginia | USA | inactive |
| Olde Oak Golf Club | Kirkville | New York | USA | inactive |
| Olde Point Golf Course | Hampstead | North Carolina | USA | inactive |
| Olde Salem Greens Golf Course | Salem | Massachusetts | USA | inactive |
| Olde Scotland Links at Bridgewater | Bridgewater | Massachusetts | USA | inactive |
| Olde Stonewall Golf Club | Elwood City | Pennsylvania | USA | inactive |
| Olde Sycamore Golf Plantation | Charlotte | North Carolina | USA | inactive |
| Olde York Country Club | Chesterfield | New Jersey | USA | inactive |
| Olde/Creek | New Market | Virginia | USA | inactive |
| Oldenburgischer Golfclub | Rastede | Lower Saxony |  Tyskland | inactive |
| Oldfield Club | Okatie | South Carolina | USA | inactive |
| Oldham County Country Club | La Grange | Kentucky | USA | inactive |
| Oldham Golf Club | Oldham | Greater Manchester | England | inactive |
| Oldmeldrum Golf Club | Oldmeldrum | Aberdeenshire | Skotland | inactive |
| Olds Golf Club | Olds | Alberta |  Canada | inactive |
| Ole Monterey Golf Club | Roanoke | Virginia | USA | inactive |
| Ole Still Golf Club | Hickory | North Carolina | USA | inactive |
| Oleander | Jekyll Island | Georgia | USA | inactive |