Auguste, Duke of Leuchtenberg

Prince Auguste
Duke of Navarre, Duke of Santa Cruz
Portrait by G. Dury, c. 1835
Prince consort of Portugal
Tenure26 January 1835 – 28 March 1835
Duke of Leuchtenberg
Prince of Eichstätt
Tenure21 February 1824 – 28 March 1835
PredecessorEugène de Beauharnais
SuccessorMaximilian de Beauharnais
Born(1810-12-09)9 December 1810
Milan, Lombardy
Died28 March 1835(1835-03-28) (aged 24)
Lisbon, Portugal
Burial
Spouse
(m. 1835)
Names
Auguste Charles Eugène Napoléon de Beauharnais
HouseBeauharnais
FatherEugène de Beauharnais
MotherPrincess Augusta of Bavaria

Coat of Arms of Auguste

Auguste Charles Eugène Napoléon de Beauharnais, Duke of Leuchtenberg (9 December 1810 – 28 March 1835) was the first prince consort of Maria II of Portugal. Besides being the 2nd Duke of Leuchtenberg and 2nd Prince of Eichstätt, he also held the Brazilian noble title of Duke of Santa Cruz.