| Partof: | the Paraguayan War |
| Date: | 10–11 July 1866 |
| Place: | Yataytí Corá, Paraguay |
| Result: | Argentine Victory |
| Combatant1: |  Argentina |
| Combatant2: |  Paraguay |
| Commander1: | Bartolomé Mitre |
| Commander2: | Solano López |
| Strength1: | Unknown |
| Strength2: | 2,500 soldiers |
| Casualties1: | 300 killed |
| Casualties2: | 400 killed |
The Battle of Yataytí Corá took place during the Paraguayan War between Argentina and Paraguay in Yataytí Corá, Paraguayan territory.[1] The Argentinian troops under the leadership of President and General Bartolomé Mitre won the conflict.