| Duncan Harvey | |
| Full Name: | George Alfred Duncan Harvey |
| Birth Date: | 27 October 1882 |
| Birth Place: | Kenstown, County Meath, Ireland |
| Death Place: | Colchester, Essex, England |
| Position: | Centre |
| Repyears1: | 1903–05 |
| Repcaps1: | 5 |
| Reppoints1: | 0 |
George Alfred Duncan Harvey (27 October 1882 — 22 September 1957) was an Irish international rugby union player.
Harvey was born in County Meath and boarded at Ellesmere College.[1]
One of three brothers to play rugby for Ireland in the 1900s, Harvey competed for Dublin club Wanderers and gained his five international caps as a centre three-quarter from 1903 to 1905. His elder brother Arnold was an Ireland teammate and his younger brother Frederick was capped after he left the side.[2]
Harvey served in India during the interwar period and was Deputy Director of Medical Services, Western Command. He attained the rank of major general and in 1937 was named honorary physician to King VI.[3]
In World War II, Harvey served in France with the RAMC and was held as a prisoner of war by Germany.[3]