| 26th Regiment Illinois Volunteer Infantry | |
|---|---|
 Illinois state flag | |
| Active | August 31, 1861 – July 20, 1865 |
| Country | United States |
| Allegiance |  Union Illinois |
| Branch | Infantry |
| Size | Regiment |
The 26th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.