The 151st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 151st Illinois Infantry was organized at Quincy, Illinois, and mustered into Federal service on February 23, 1865, for a one-year enlistment.
The regiment was mustered into service at Springfield, Illinois, February 25, 1865, where it received its arms and equipment before being ordered to Nashville, Tennessee, On March 7, the regiment moved to Murfreesboro and proceeded by rail to Chattanooga, the regiment was stationed at Dalton, Georgia, where it performing drilling, picket and guard duty, and scouting operations until February 8, 1866.
The regiment mustered out on February 8, 1866.
The regiment had 51 enlisted men who died of disease.