| Conflict: | Battle of Ozerna |
| Partof: | Russo-Polish War (1654–67) |
| Date: | November 10–12, 1655 O.S. 20-22 November 1655 N.S. |
| Place: | Ozerna near Zboriv, Ruthenia (now in Ukraine) |
| Result: | Polish-Lithuanian victory |
| Combatant1: | Poland-Lithuania Crimean Khanate |
| Combatant2: | Russian Tsardom Cossack Hetmanate |
| Commander1: | Mehmed IV Giray Piotr Potocki |
| Commander2: | Vasili Buturlin Bohdan Khmelnytsky |
The Battle of Ozerna or Battle of Jezierna was fought on 20–22 November (O.S. 10–12 November) 1655 near Ozerna (then in Ruthenian Voivodeship of the Crown of Poland, now part of Ukraine) between the forces of the Polish-Tatar coalition and Ukrainian-Russian troops. The battle ended with a success for the Polish–Lithuanian Commonwealth. As a result of the Polish Lithuanian victory, Bohdan Khmelnytsky was forced to recognize the formal suzerainty of the Polish-Lithuanian Commonwealth over Russia. [1]