Francis Hoyt Gregory | |
|---|---|
 | |
| Born | October 9, 1789 Norwalk, Connecticut, US |
| Died | October 4, 1866 (aged 76) Brooklyn, New York, US |
| Buried | |
| Allegiance | United States |
| Service | United States Navy Union Navy |
| Years of service | 1809–1865 |
| Rank | Rear admiral |
| Battles / wars | War of 1812 Mexican–American War American Civil War |
Francis Hoyt Gregory (October 9, 1789 – October 4, 1866) was an officer in the United States Navy during the War of 1812 through to the Civil War, serving then as a rear admiral.