8th Indiana Infantry Regiment

8th Regiment Indiana Volunteer Infantry
Flag of the United States, 1861-1863
Active	April 21, 1861 to August 6, 1861
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Battle of Rich Mountain Battle of Champion Hill

The 8th Indiana Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.

The 8th Indiana Volunteer Infantry was organized at Indianapolis, Indiana on April 21, 1861, for a three-month enlistment. On June 19, 1861, the regiment was moved to Clarksburg, West Virginia, and attached to William Rosecrans' Brigade, in George B. McClellan's Provisional Army of West Virginia. On June 29, it was marched to Buckhannon, West Virginia, and occupied Buckhannon on June 30. The regiment engaged in the Western Virginia Campaign, July 6–17, fighting in the Battle of Rich Mountain on July 11. The regiment was mustered out of service on August 6, 1861.

The regiment lost 4 enlisted men killed in action or died of wounds and 3 enlisted men who died of disease, for a total of 7 fatalities.