O
| Lorena Ochoa | 1981– |
| Ji-Young Oh | 1988– |
| Tatsuko Ohsako | 1952– |
| Michiko Okada | 1945– |
| Ayako Okamoto HoF | 1951– |
| Maureen Orcutt | 1907–2007 |
| Pat O'Sullivan | c.1927– |
| Ryann O'Toole | 1987– |
Read more about this topic: List Of Female Golfers
O
| Lorena Ochoa | 1981– |
| Ji-Young Oh | 1988– |
| Tatsuko Ohsako | 1952– |
| Michiko Okada | 1945– |
| Ayako Okamoto HoF | 1951– |
| Maureen Orcutt | 1907–2007 |
| Pat O'Sullivan | c.1927– |
| Ryann O'Toole | 1987– |
Read more about this topic: List Of Female Golfers