| 105th New York Infantry Regiment | |
|---|---|
.svg) | |
| Active | October 1861 to March 17, 1863 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Cedar Mountain Second Battle of Bull Run Battle of Chantilly Battle of South Mountain Battle of Antietam Battle of Fredericksburg |
| New York U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 105th New York Infantry Regiment ("Le Roy Regiment") was an infantry regiment in the Union Army during the American Civil War.