| Mark D. Hollis | |
| Office: | Director of the Centers for Disease Control and Prevention |
| President: | Franklin D. Roosevelt Harry S. Truman |
| Term Start: | 1944 |
| Term End: | 1946 |
| Predecessor: | Louis L. Williams |
| Successor: | Raymond A. Vonderlehr |
| Birth Name: | Mark Dexter Hollis |
| Birth Date: | 24 September 1908 |
| Birth Place: | Buena Vista, Georgia |
| Death Place: | Lakeland, Florida |
Mark Dexter Hollis (September 24, 1908 – February 21, 1998)[1] [2] was the director of the Centers for Disease Control and Prevention from 1944 to 1946.[3]