| 16th Ohio Infantry Regiment | |
|---|---|
 Ohio state flag | |
| Active | May 3, 1861, to August 18, 1861 (3 months) September 23, 1861, to October 31, 1864 (3 years) |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Philippi Battle of Rich Mountain Battle of Chickasaw Bayou Battle of Fort Hindman Battle of Grand Gulf Battle of Champion Hill Battle of Big Black River Bridge Siege of Vicksburg (May 19 & May 22 assaults) Siege of Jackson Red River Campaign |
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The 16th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War.