João Manuel Mena Barreto

João Manuel Mena Barreto
João Manuel Mena Barreto
Born	24 January 1824; Porto Alegre, Rio Grande do Sul, Brazil
Died	12 August 1869 (aged 45); Piribebuy, Cordillera, Paraguay
Allegiance	Brazil
Branch	Imperial Brazilian Army
Service years	1824–1869
Rank	Brigadier
Conflicts	Uruguayan War Siege of Paysandú; ; Paraguayan War Corrientes campaign Battle of São Borja; ; Pikysyry campaign Battle of Avay; Battle of Lomas Valentinas; ; Campaign of the Hills Battle of Ybytimí; Battle of Piribebuy †; ; ;
Spouse	Maria Balbina Palmeiro da Fontoura (m. 1849)

João Manuel Mena Barreto (24 January 1824 – 12 August 1869) was a Brazilian Brigadier throughout the Uruguayan War and Paraguayan War. He was known for his service at the Battle of São Borja, rescuing the civilian populace from the Paraguayan forces before getting killed in action at the Battle of Piribebuy.