Template:FortFlaglerCmdrs
| Assumed | Relieved | Rank | Name | Cullum | Notes |
|---|---|---|---|---|---|
| 1899-09-06 | 1901-07-16 | Capt. | Hoskins, John Deane Charles | 2255 | While commanding post, he was promoted to Major, July 1, 1901. |
| 1903-02-26 | 1903-05-30 | Capt. | Summerall, Charles Pelot | 3469 | |
| 1904-09 | 1906-05 | Maj. | Deems, Clarence | 2521 | |
| 1906-10-05 | 1908-12-17 | Maj. | Bartlett, George True | 2888 | |
| 1911-09-20 | 1911-09-30 | Maj. | Hayden, John Louis | 3243 | |
| Dates are formatted in yyyy-mm-dd to sort correctly. The Cullum Number is the graduation order from the United States Military Academy by year and class rank and links to a page for the officer on the website version of the Cullum Register. Listings without a Cullum Number indicate that the person was not a graduate of the United States Military Academy. | |||||