| Conflict: | Battle of Jaguarão |
| Partof: | the Uruguayan War |
| Date: | 27 January 1865 |
| Place: | Jaguarão in southern Rio Grande do Sul, Brazil |
| Result: | Brazilian victory |
| Combatant1: | |
| Combatant2: |  Uruguay
|
| Commander1: | Manuel Pereira Vargas |
| Commander2: | Basilio Muñoz Timoteo Aparicio |
| Strength1: | 90 infantrymen 400 cavalrymen |
| Strength2: | 1,500 cavalrymen |
| Casualties1: | 2 dead 4 wounded |
| Casualties2: | 6 dead 20 wounded |
The Battle of Jaguarão was fought in the town of Jaguarão in the then province of Rio Grande do Sul, on 27 January 1865, between the Imperial Brazilian Army and a Uruguayan militia during the Uruguayan War.[1]