| 4th Wisconsin Infantry Regiment | |
|---|---|
 | |
| Active | July 2, 1861 – September 1, 1863 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Size | Regiment |
| Engagements | American Civil War |
| Commanders | |
| Colonel | Halbert E. Paine |
| Colonel | Sidney A. Bean |
| Colonel | Frederick A. Boardman |
| Wisconsin U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 4th Wisconsin Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War, primarily in the Western Theater. It was later mounted and became the 4th Wisconsin Cavalry Regiment.