Duarte, Duke of Guimarães (1515–1540)
| Duarte | |
|---|---|
| Duke of Guimarães | |
| Born | 7 October 1515 Lisbon, Kingdom of Portugal |
| Died | 20 September 1540 (aged 24) Lisbon, Kingdom of Portugal |
| Spouse | Isabel of Braganza |
| Issue | |
| House | Aviz |
| Father | Manuel I of Portugal |
| Mother | Maria of Aragon |
Duarte, Duke of Guimarães (7 October 1515 – 20 September 1540) was a Portuguese infante (prince); the sixth son of King Manuel I of Portugal and his wife Maria of Aragon.