| Conflict: | Battle of Ibicuí River |
| Partof: | the Portuguese conquest of the Banda Oriental |
| Date: | 1817 |
| Place: | Ibicuí River, modern-day Brazil |
| Result: | Luso-Brazilian victory |
| Combatant1: | United Kingdom of Portugal, Brazil and the Algarves |
| Combatant2: | Federal League |
| Commander1: | Brigadier Chagas dos Santos |
| Commander2: | General Sotelo |
| Strength1: | 650 men |
| Strength2: | 2,500 men |
| Casualties1: | 2 men killed |
| Casualties2: | 400 men killed 2000 horses captured |
The Battle of Ibicuí River took place between the Luso-Brazilian forces under Brigadier Chagas dos Santos and the Federal League forces under the command of General Sotelo. The Luso-Brazilians were victorious and inflicted very high casualties on Sotelo's army.