The 14th Indiana Infantry Regiment was a Union Army regiment which was active from 5 May 1861 to 16 June 1864 during the American Civil War. It was organized near Terre Haute, Indiana and was attached to the Army of the Potomac during the war, suppressing the 1863 New York draft riots. On 6 June 1864, following the Battle of Cold Harbor, the 14th Indiana Infantry Regiment left the front and was mustered out at Indianapolis.