4th Ohio Infantry Regiment
| 4th Ohio Infantry Regiment | |
|---|---|
| Active | 1861–1865 |
| Country | United States of America |
| Allegiance | Union |
| Branch | Volunteer Army, American Civil War |
| Type | Infantry |
| Size | ≈950 soldiers at outset of the war |
| Engagements | |
| Ohio U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 4th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It served in the Eastern Theater in a number of campaigns and battles, but perhaps is most noted for its actions in helping secure Cemetery Hill during the Battle of Gettysburg.