| Mick Duncan | |
| Birth Name: | Michael Gordon Duncan |
| Birth Date: | 8 August 1947 |
| Birth Place: | Waipawa, New Zealand |
| Ru Position: | Centre, second five-eighth |
| Height: | 1.830NaN0 |
| Weight: | 86kg (190lb) |
| Repyears1: | 1971 |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
| Ru Province1: | Hawke's Bay |
| Ru Provinceyears1: | 1966–73 |
| Ru Provinceapps1: | 83 |
| School: | Lindisfarne College |
Michael Gordon Duncan (born 8 August 1947) is a former New Zealand rugby union player. A centre and second five-eighth, Duncan represented Hawke's Bay at a provincial level, and was a member of the New Zealand national side, the All Blacks, in 1971. He played two matches for the All Blacks, both of them internationals against the touring British Lions.[1]