The Battle of Iuka was fought on September 19, 1862, in Iuka, Mississippi, during the American Civil War. In the opening battle of the Iuka-Corinth Campaign, Union Maj. Gen. William Rosecrans stopped the advance of the Confederate Army of the West commanded by Maj. Gen. Sterling Price.

Iuka is a city in and the county seat of Tishomingo County, Mississippi, United States. Its population was 3,028 at the 2010 census. Woodall Mountain, the highest point in Mississippi, is located just south of Iuka.