The following units and commanders of the Paraguayan army and the army of the Triple Alliance took part in the Battle of Curupayty on September 22, 1866.
General José E. Díaz
Lieutenant Colonel Luis Gonzales
Captain Bernardino Caballero Commander-in-chief Bartolomé Mitre General Antonio Paranhos, Viscount of Porto Alegre Caldas Division Albino de Carvalho Division De Lima Division (reserve) General Wenceslao Paunero 1st Infantry Division 2nd Infantry Division 3rd Infantry Division 4th Infantry Division General Emilio Mitre 1st Infantry Division 2nd Infantry Division 3rd Infantry Division 4th Infantry Division
Colonel Mateo Martinez