Dinis of Braganza (1481–1516) was the younger son of Fernando II, Duke of Braganza and Isabella of Viseu who was a daughter of Infante Fernando, Duke of Viseu and Beatrice of Portugal.

He married Beatriz de Castro Osório, 3rd Countess of Lemos, in 1501, among their descendants are future Dukes of Braganza and John IV of Portugal.

Dinis and Beatriz had four children: