| Unit Name: | 14th Regiment, Illinois Volunteer Infantry (3 Year) |
| Dates: | May 25, 1861 - September 18, 1865 |
| Country: |  United States |
| Allegiance: | Union |
| Branch: | United States Army Union Army |
| Type: | Infantry |
| Battles: | Battle of Shiloh Battle of Hatchie's Bridge Siege of Vicksburg Battle of Bentonville |
| Notable Commanders: | Col. John M. Palmer |
The 14th Regiment, Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was one of the ten infantry regiments authorized on May 2, 1861, by the Illinois Ten Regiment Act.[1]
The 14th Illinois Infantry was mustered into Federal service for a three-year enlistment on May 25, 1861, at Jacksonville, Illinois.
The regiment on July 1, 1864, was consolidated with 15th Illinois Infantry, also much-depleted, to form the 14th and 15th Illinois Veteran Battalion, a six-company formation. With the arrival of new recruits in spring 1865, the 14th Illinois Infantry was reconstituted as a regiment on April 28, 1865.
The regiment was mustered out on September 18, 1865, at Fort Leavenworth, Kansas.
The regiment suffered 62 enlisted soldiers killed in action or mortally wounded and 1 officer and 160 enlisted who died of disease, for a total of 223 fatalities.[2]