Archduke Joseph August Viktor Klemens Maria of Austria, Prince of Hungary and Bohemia (9 August 1872 – 6 July 1962) was a prominent member of the House of Habsburg-Lorraine, who was a Feldmarschall (field marshal) of the Austro-Hungarian Army, and briefly the head of state of Hungary after World War I.
Archduke Joseph August was born on 9 August 1872 at Alcsút in the Kingdom of Hungary. Born into the Hungarian or Palatinal branch of the House of Habsburg-Lorraine, he was the eldest son of Archduke Joseph Karl of Austria (1833–1905) and his wife Princess Clotilde of Saxe-Coburg and Gotha (1846–1927). Joseph August's grandfather, Archduke Joseph of Austria (1776–1847), a younger son of Leopold II, Holy Roman Emperor, had been Palatine and Viceroy of Hungary.
Archduke Joseph August and his wife Archdurchess Auguste
On 15 November 1893, in Munich, he married Princess Auguste Maria of Bavaria (1877–1964), daughter of Prince Leopold of Bavaria (1846–1930) and his wife Archduchess Gisela of Austria (1856–1932).