The Battle of Vučji Do was a major battle of the Montenegrin-Ottoman War of 1876-78 that took place on 18 July 1876 in Vučji Do, Montenegro, fought between the combined forces of Montenegrin and Eastern Herzegovinian tribes (battalions) against the Ottoman Army under Grand Vizier Ahmed Muhtar Pasha. The Montenegrin-Herzegovinian forces heavily defeated the Ottomans, and managed to capture two of their commanders. In addition, they captured a large consignment of armament.