| Duarte | |
| Duke of Guimarães | |
| Issue: | |
| House: | Aviz |
| Father: | Manuel I of Portugal |
| Mother: | Maria of Aragon |
| Spouse: | Isabel of Braganza |
| Birth Place: | Lisbon, Kingdom of Portugal |
| Death Place: | Lisbon, Kingdom of Portugal |
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.
Duarte was born in Lisbon on 7 October 1515.[1] He was tutored by André de Resende, who later wrote his biography.[2] The Infante loved hunting and was quite a good musician.[1]
In 1537, Duarte married Isabella of Braganza, daughter of James, Duke of Braganza,[2] who was dowried with the Dukedom of Guimarães in her own right. After the marriage, Infante Duarte became the 4th Duke of Guimarães.
This marriage produced three children:[1]
He is buried in the Monastery of Jerónimos in Lisbon.