| Jorge/George | |
| Succession: | 1st Duke of Torres Novas |
| Reign: | 1594 - 1632 |
| Predecessor: | new title |
| Successor: | Raimundo, 4th duke of Aveiro |
| Spouse: | Ana Dória Colonna Ana Manrique de Cádenas |
| Issue: | Raimundo, 4th Duke of Aveiro Maria de Guadalupe, 6th Duchess of Aveiro Luisa Tomásia João Matias |
| House: | House of Aviz |
| Father: | Álvaro, 3rd Duke of Aveiro |
| Birth Date: | 1594 |
| Death Date: | 1632 |
Jorge de Lencastre, or George of Lencastre (Azeitão, 1594 – Lisbon, 1632) was the older son of Dom Álvaro and Juliana of Lencastre, 3rd Dukes of Aveiro.
As heir of the Dukes of Aveiro, he was 3rd Marquis of Torres Novas and, due to King Philip I's special grant, he also became the 1st Duke of Torres Novas.
However, he never inherited the Dukedom of Aveiro, once he died before his mother.
He married twice: