Thomas Ogden Osborn | |
|---|---|
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| Born | August 11, 1832 Licking County, Ohio |
| Died | March 27, 1904 (aged 71) Washington, D.C. |
| Place of burial | |
| Allegiance | United States of America |
| Service | United States Army Union Army |
| Years of service | 1861–1865 |
| Rank |  Brigadier general  Brevet major general |
| Unit | Army of the James |
| Commands | 1st Brigade, 1st Division, XXIV Corps |
| Battles / wars | American Civil War |
| Signature | .png){kind=small} |
Thomas Ogden Osborn (August 11, 1832 – March 27, 1904) was an American lawyer, soldier, and diplomat who served as a general in the Union Army during the American Civil War. He was also the U.S. Minister to Argentina from 1874 to 1885.