Frederick Augustus, Prince of Brunswick-Wolfenbüttel-Oels

Frederick Augustus of Braunschweig-Wolfenbüttel
Frederic August Duc de Bronswic Lieutenant General au Service de Prusse etc. (Frederick Augustus, Duke of Brunswick, lieutenant-general in the Prussian service etc.), contemporary engraving after Edward Francis Cunningham)
Born(1740-10-29)29 October 1740
Wolfenbüttel, Germany
Died8 October 1805(1805-10-08) (aged 64)
Eisenach, Germany
AllegiancePrussia
RankGeneral of Infantry
Known forCommanding Prussian Army, Freemasonry
AwardsOrder of the Black Eagle
SpousePrincess Friederike Sophie Charlotte Auguste of Württemberg-Oels (m. 1768)

Frederick Augustus of Braunschweig-Wolfenbüttel (29 October 1740, Wolfenbüttel – 8 October 1805, Eisenach) was a German nobleman and Prussian general. A prince of Braunschweig-Wolfenbüttel and thus one of the Dukes of Brunswick-Lüneburg, in 1792 he was granted the Duchy of Oels and the Duchy of Bernstadt and thus also became the ruling duke of these duchies.