T. Lyle Dickey | |
|---|---|
 | |
| Born | October 12, 1811 Paris, Kentucky |
| Died | July 22, 1885 (aged 73) Atlantic City, New Jersey |
| Allegiance | United States |
| Service | United States Army |
| Years of service | 1846, 1861–1864 |
| Rank | Colonel |
| Commands | 4th Illinois Cavalry Regiment Chief of Cavalry, Army of the Tennessee |
| Battles / wars | Mexican-American War American Civil War |
| Other work | Justice of the Illinois Supreme Court |
Theophilus Lyle Dickey (October 12, 1811 – July 22, 1885) was an Illinois jurist and military leader.