Manuel Luís Osório, Marquis of Erval

Manuel Luís Osório, Marquis of Erval
The Marquis of Erval around age 68, c. 1870
Born	(1808-05-10)May 10, 1808 Conceição do Arroio, Portuguese Colony of Brazil
Died	October 4, 1879(1879-10-04) (aged 71) Rio de Janeiro, Empire of Brazil
Allegiance	Empire of Brazil
Rank	Marshal of the Army
Battles/wars	Cisplatine War Ragamuffin War Platine War Paraguayan War
Other work	Minister of War

Manuel Luís Osório, Marquis of Erval (May 10, 1808 – October 4, 1879) was a Brazilian military officer, monarchist and politician.