87th Illinois Infantry Regiment
| 87th Regiment Illinois Volunteer Infantry | |
|---|---|
Illinois state flag | |
| Active | October 3, 1862, to June 16, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry Mounted infantry |
| Equipment | Siege of Vicksburg Battle of Wauhatchie Battle of Missionary Ridge Battle of Resaca March to the Sea Battle of Bentonville |
The 87th Regiment Illinois Volunteer Infantry, later the 87th Regiment Illinois Volunteer Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.