| Frank A. Montgomery | |
| Term Start1: | 1896 |
| Term End1: | 1897 |
| Term Start2: | 1880 |
| Term End2: | 1885 |
| Birth Name: | Frank Alexander Montgomery |
| Birth Date: | 7 January 1830 |
| Birth Place: | Adams County, Mississippi, U.S. |
| Death Place: | Bolivar County, Mississippi, U.S. |
| Resting Place: | Beulah Cemetery, Bolivar County, Mississippi, U.S. |
| Resting Place Coordinates: | 33.7973°N -90.9801°W |
| Children: | 9 |
| Father: | James Jefferson Montgomery |
| Relatives: | Charles Clark (brother-in-law) |
| Serviceyears: | 1861–1865 |
| Battles: | American Civil War |
Frank Alexander Montgomery (January 7, 1830 - December 16, 1903) was an American politician best known for his memoir of life as a Confederate cavalry officer in the Western Theater of the American Civil War (1861–1865) called Reminiscences of a Mississippian in Peace and War (1901).
Frank Alexander Montgomery was born on January 7, 1830, in Adams County, Mississippi, to James Jefferson Montgomery. He was Lieutenant-Colonel of the 1st Mississippi Cavalry Regiment during the American Civil War. He served eight years as a member of the Mississippi House of Representatives and one term as Judge of the Fourth Circuit Court District of Mississippi.[1] He died on December 16, 1903, and is buried at Beulah Cemetery, Bolivar County, Mississippi.[2]