| 15th Indiana Infantry Regiment | |
|---|---|
| Active | May 1861 – June 16, 1864 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Cheat Mountain Battle of Shiloh Siege of Corinth Battle of Perryville Battle of Stones River Tullahoma Campaign Battle of Chickamauga Siege of Chattanooga Battle of Missionary Ridge |
| Indiana U.S. Volunteer Infantry Regiments 1861–1865 | ||||
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The 15th Indiana Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.