| 2nd Illinois Cavalry Regiment | |
|---|---|
 Illinois flag | |
| Active | August 12, 1861, to December 30, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Cavalry |
| Engagements | Battle of Champion Hill (7 companies) |
| Illinois U.S. Volunteer Cavalry Regiments 1861-1865 | ||||
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The 2nd Illinois Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War.