| Duncan Ronaldson | |
| Fullname: | Duncan McKay Ronaldson |
| Birth Date: | 21 April 1879 |
| Birth Place: | Blythswood, Scotland |
| Death Place: | Glasgow, Scotland |
| Position: | Inside forward |
| Years1: | 1898–1899 |
| Clubs1: | Vale of Clyde |
| Years2: | 1899–1900 |
| Clubs2: | Rutherglen Glencairn |
| Years3: | 1900–1901 |
| Clubs3: | Queen's Park Rangers |
| Caps3: | 18 |
| Goals3: | 8 |
| Years4: | 1901–1903 |
| Clubs4: | Grimsby Town |
| Caps4: | 64 |
| Goals4: | 19 |
| Years5: | 1903–1904 |
| Clubs5: | Bury |
| Caps5: | 15 |
| Goals5: | 4 |
| Years6: | 1904–1905 |
| Clubs6: | Queen's Park Rangers |
| Caps6: | 21 |
| Goals6: | 6 |
| Years7: | 1905–1907 |
| Clubs7: | Norwich City |
| Years8: | 1907–1908 |
| Clubs8: | Brighton & Hove Albion[1] |
| Caps8: | 19 |
| Goals8: | 6 |
| Years9: | 1908–1909 |
| Clubs9: | Southend United |
| Years10: | 1909–1910 |
| Clubs10: | Norwich City |
| Years11: | 1910–1913 |
| Clubs11: | Dunfermline Athletic |
| Caps11: | 9 |
| Goals11: | 1 |
Duncan McKay Ronaldson (21 April 1879 – 20 September 1947) was a Scottish professional footballer who played as an inside forward.[2] [3] [4] [5] [6]