James Winning McMillan | |
|---|---|
 James Winning McMillan in 1865 | |
| Born | April 28, 1825 Clark County, Kentucky |
| Died | March 9, 1903 (aged 77) Washington, D.C. |
| Place of burial | |
| Allegiance | United States of America Union |
| Service/ | United States Army Union Army |
| Years of service | 1846, 1848, 1861–1865 |
| Rank |  Brevet Major General |
| Battles/wars | Mexican–American War American Civil War |
James Winning McMillan (April 28, 1825 – March 9, 1903) was an American soldier who fought during the Mexican–American War and served as a Union Army general during the American Civil War.