Infanta Catarina (26 November 1436 – 17 June 1463); (Portuguese pronunciation: [kɐtɐˈɾinɐ]; English: Catherine) was a Portuguese infanta (princess), daughter of King Edward of Portugal and his wife Eleanor of Aragon.

Like her sisters Joan and Eleanor she was considered ambitious, shrewd and willful.

Thus, Catherine turned to a religious life in the Convent of Saint Claire.

She died on 17 June 1463 and is buried in Lisbon at the Carmo Convent.

This biography of a member of the Portuguese royal family is a stub.