The 14th Indiana Infantry Regiment, later referred to as the Gallant Fourteenth, was an infantry regiment and part of the Union Army's celebrated "Gibraltar Brigade" of the Army of the Potomac during the American Civil War. Organized in May 1861 at Camp Vigo, near Terre Haute, Indiana, it was the state's first regiment organized for three years of service. The 14th Indiana served in major campaigns and battles in the Eastern Theater, mostly in West Virginia, Virginia, Pennsylvania, and Maryland. During its three years of service, the regiment had a total of 222 casualties (11 officers and 211 enlisted men).