| 36th Regiment Illinois Volunteer Infantry The Fox River Regiment | |
|---|---|
 Illinois state flag | |
| Active | Sept. 23, 1861–Oct. 8, 1865 |
| Country |  United States |
| Allegiance | Union Illinois |
| Branch | Infantry |
| Nickname(s) | Fox River Regiment |
| Equipment | Springfield Model 1842 (1861–62) |
| Engagements | Battle of Pea Ridge Battle of Perryville Battle of Stones River Battle of Chickamauga Battle of Missionary Ridge Battle of Resaca Battle of Atlanta Battle of Kennesaw Mountain Battle of Franklin Battle of Nashville |
| Commanders | |
| Notable commanders | Nicholas Greusel |
_-_Frank_Green,_artiste,_no._59_Clark_St.,_opposite_LCCN2016646130.jpg)
The 36th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. The unit was mustered into service in September 1861. The regiment fought at the battles of Pea Ridge, Perryville, Stones River, Chickamauga, Missionary Ridge, Resaca, Kennesaw Mountain, Atlanta, Franklin, and Nashville. It was mustered out in October 1865.