| 2nd Connecticut Infantry Regiment | |
|---|---|
| Active | May 7, 1861 - August 7, 1861 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | First Battle of Bull Run |
 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (November 2023) |
| Connecticut U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 2nd Connecticut Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.