| Duarte de Puy | |
|---|---|
| Lord | |
| Born | 12th Century Coimbra, Portugal |
| Died | 12th Century Kingdom of France |
| Noble family | PUY |
| Father | Godefroy de Puy |
| Mother | Elvira Viegas |
| Religion | Roman Catholic |
| Occupation | Diplomat |
Duarte de Puy (c.1125-11?) was a Portuguese nobleman, ambassador of Pope Clement II in Rome. He served the King Sancho I in the war against the Moors.
Duarte was born in Coimbra, Kingdom of Portugal, son of Godofredo de Puy, a knight from Normandy, France. His wife was Genebra de Sousa, daughter of Álvaro de Sousa, Lord of Moncorvo .