Archduke Friedrich, Duke of Teschen

Archduke Friedrich
Royal prince of Hungary and Bohemia
Portrait by Carl Pietzner, 1908
Supreme Commander of the Imperial and Royal Armed Forces
In office11 July 1914 – 2 December 1916
PredecessorFranz Joseph I
SuccessorCharles I
Duke of Teschen
Reign18 February 1895 – 3 April 1919
PredecessorArchduke Albrecht
Born(1856-06-04)4 June 1856
Gross Seelowitz, Margraviate of Moravia, Austrian Empire
Died30 December 1936(1936-12-30) (aged 80)
Magyaróvár, Kingdom of Hungary
Burial
Spouse
(m. 1878; died 1931)
Issue
HouseHabsburg-Lorraine
FatherArchduke Karl Ferdinand of Austria
MotherArchduchess Elisabeth Franziska of Austria

Archduke Friedrich, Duke of Teschen (Friedrich Maria Albrecht Wilhelm Karl; 4 June 1856 – 30 December 1936) was a member of the House of Habsburg-Lorraine and the Supreme Commander of the Imperial and Royal Armed Forces of the Austro-Hungarian Empire during World War I, having previously served as both commander-in-chief of the Imperial-Royal Landwehr and inspector-general of the Austro-Hungarian Army.