Cardinal-Infante Ferdinand (1609/1610, Escorial near Madrid, Spain – 9 November 1641, Brussels) (also known as Don Fernando de Austria, Cardenal-Infante Fernando de España and as Ferdinand von Österreich) was Governor of the Spanish Netherlands, Cardinal of the Holy Roman Church, Infante of Spain, Infante of Portugal (until 1640), Archduke of Austria, Archbishop of Toledo (1619–41), and military commander during the Thirty Years' War.