Template:FortAlcatrazCmdrs
| Assumed | Relieved | Rank | Name | Cullum | Notes |
|---|---|---|---|---|---|
| 1862-09 | 1863-01 | Capt. | Black, Henry Moore | 1354 | |
| 1869-03-24 | 1873-08-20 | Col. | Willcox, Orlando Bolivar | 1338 | |
| 1891-11-04 | 1896-06-15 | Lt. Col. | Guenther, Francis Luther | 1833 | |
| 1896-07-06 | 1896-10-13 | Lt. Col. | Sinclair, William | 1776 | |
| 1899-06-19 | 1899-09-03 | Capt. | Hoskins, John Deane Charles | 2255 | |
| 1901-10 | 1903-04 | Lt. Col. | Merrill, Abner Hopkins | 2132 | |
| 1903-02-26 | 1903-02-22 | Maj. | Gardener, Cornelius | 2504 | While commanding post, he was promoted to Lieutenant Colonel, Feb. 18, 1903. |
| 1906-01-14 | 1907-06-05 | Maj. | Pickering, Abner | 2735 | |
| 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. | |||||