| 3rd Connecticut Infantry Regiment | |
|---|---|
_(14782615863).jpg) 3rd Connecticut at Camp Douglas, 1861 | |
| Active | May 14, 1861, to August 12, 1861 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | First Battle of Bull Run |
| Connecticut U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 3rd Connecticut Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.