| 126th Regiment Illinois Volunteer Infantry | |
|---|---|
 Illinois flag | |
| Active | September 2, 1862, to July 12, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Illinois U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 126th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.