The Indiana 87th Regiment was a unit of the Union Army during the American Civil War, organized in 1862. It was part of the Indiana Volunteer Infantry and served primarily in the Western Theater. The regiment participated in several key battles, including the Battle of Vicksburg and the Battle of Chattanooga. The regiment was mustered out in 1865 after the war ended, having contributed significantly to the Union's efforts. Throughout its service, the Indiana 87th Regiment was known for its bravery and commitment, earning recognition for its role in various military campaigns.