The 68th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 68th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on June 16, 1862, for a term of three months. It served garrisons in the Alexandria, Virginia, area.
The regiment was mustered out on September 27, 1862.
The regiment suffered 25 enlisted men who died of disease, for a total of 25 fatalities.