Philip of Austria may refer to either of two Habsburg kings in Spain, whose family originated in Austria:

Philip I of Castile (1478–1506), Lord of the Burgundian Netherlands (1482–1506) and jure uxoris King of Castile and León (1506) Philip II of Spain (1527–1598), King of Spain (1556–1598), King of Portugal (1580–1598), King of Naples and Sicily (1554–1598), and jure uxoris King of England and Ireland (1554–1558)