Duarte, Duke of Guimarães (1541–1576)
| Duarte | |
|---|---|
| Duke of Guimarães, Constable of Portugal | |
Unidentified portrait considered to possibly depict the 5th Duke of Guimarães. | |
| 5th Duke of Guimarães | |
| Tenure | 1541 - 1576 |
| Predecessor | Duarte of Portugal |
| Successor | Title abolished later John IV of Portugal |
| Born | March 1541 Almeirim |
| Died | 28 November 1576 (aged 35) Évora |
| House | Aviz |
| Father | Duarte of Portugal, 4th Duke of Guimarães |
| Mother | Isabel of Braganza, Duchess of Guimarães |
Duarte, Duke of Guimarães (March 1541, in Almeirim – 28 November 1576, in Évora) was a Portuguese infante (prince), son of Duarte of Portugal, 4th Duke of Guimarães and his wife, Isabel of Braganza. He served as Constable of the Kingdom, the highest military authority in the Portuguese Empire, second only to the monarch.