| Blanche Duncan | |
|---|---|
| Personal information | |
| Born | 7 October 1879 Cardiff, Glamorgan, Wales |
| Died | 26 October 1927 (aged 48) London, England |
| Sporting nationality |  Wales |
| Career | |
| Status | Amateur |
Blanche Duncan (married name Ivor-Jones, 7 October 1879 – 26 October 1927) was a Welsh amateur golfer. She won the Welsh Ladies' Amateur Championship four times in a row from 1906 to 1909 and again in 1912.