| 10th Ohio Infantry Regiment | |
|---|---|
 Ohio state flag | |
| Active | May 7, 1861, to August 21, 1861 (3 months) June 3, 1861, to June 3, 1864 (3 years) |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Carnifex Ferry Battle of Perryville Battle of Stones River Tullahoma Campaign Battle of Chickamauga Siege of Chattanooga Battle of Lookout Mountain Battle of Missionary Ridge Atlanta Campaign Battle of Resaca |
The 10th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. The regiment was also known as the Montgomery Regiment, and the Bloody Tenth. The 10th Ohio Infantry was predominantly recruited from Irish Americans, but had two companies consisting of German Americans.