1st Ohio Infantry Regiment
| 1st Ohio Infantry Regiment | |
|---|---|
| 1st Ohio Infantry Regiment in action at Vienna, Virginia June 17, 1861 | |
| Active | 1861–64 | 
| Country | United States | 
| Allegiance | Union | 
| Branch | Infantry | 
| Type | Regiment | 
| Size | 950 soldiers at outset of the war | 
| Engagements | Shiloh, Stones River, Chickamauga, Missionary Ridge, Atlanta Campaign | 
| Commanders | |
| Notable commanders | Alexander M. McCook | 
| Ohio U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 1st Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It served in the Western Theater in a number of campaigns and battles.