John of Austria may refer to:
People John of Austria (1547–1578), Spanish military leader, illegitimate son of Charles V, Holy Roman Emperor John Joseph of Austria (1629–1679), Spanish general and political figure, illegitimate son of Philip IV of Spain Archduke John of Austria (1782–1859), thirteenth child of Leopold II, Holy Roman Emperor Vimaladharmasuriya I of Kandy (reigned 1592–1604), baptized by the Portuguese as Don João da Austria
Other Don John of Austria (opera), by Isaac Nathan (1791–1864) John of Austria (Messina), a monument in Messina, Sicily