| 143rd New York Infantry Regiment | |
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.svg) | |
| Active | August 14, 1862 - July 20, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Siege of Suffolk Battle of Wauhatchie Battle of Missionary Ridge Atlanta Campaign Battle of Resaca Battle of Dallas Battle of New Hope Church Battle of Allatoona Battle of Marietta Battle of Kennesaw Mountain Battle of Peachtree Creek Siege of Atlanta Sherman's March to the Sea Carolinas Campaign Battle of Bentonville |
| New York U.S. Volunteer Infantry Regiments 1861-1865 | ||||
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The 143rd New York Infantry Regiment (a.k.a. "Sullivan County Regiment") was an infantry regiment in the Union Army during the American Civil War.