| Conflict: | Battle of Ostrog |
| Place: | Montenegro, Ostrog |
| Result: | Ottoman victory |
| Combatant1: | Ottoman Empire |
| Commander1: | Omar Pasha |
| Commander2: | Nikola I |
| Units2: | 3,000-10,000 |
| Units1: | Unknown |
| Partof: | Montenegrin–Ottoman War (1861–1862) |
The Battle of Ostrog was one of the major battles of the Ottoman-Montenegrin war. It ended with an Ottoman victory. After the Ottoman victory, Montenegro accepted a peace treaty with the Ottoman Empire.
The Montenegrin army consisted of thirty battalions of infantry with 848 men in each line, and a corps of cavalry consisting of 3,000-10,000 men. The size of the Ottoman Army is unknown. The Montenegrin artillery was set up in the mountains.[1]
The battle ended with an Ottoman victory as Montenegrin forces failed to hold in Ostrog.