| Debo Odulana | College of Medicine | 700411-Pediatrics General | Assistant Professor |
| Angela Orr | College of Health Professions | 701911-Hearing and Speech Center | Assistant Professor |
| Amila Orucevic | College of Medicine | 701016-Knox Pathology | Professor |
| Adepitan Owosho | College of Dentistry | 701507-Diagnostic Sciences and Oral Medicine | Associate Professor & Director |
| Mary Owens | College of Medicine | 700502-General Surgery | Assistant Professor |
| Dustin Osborne | College of Medicine | 701018-Knox Radiology | Professor |
| Florene Odulana | College of Medicine | 700706-Obstetrics and Gynecology | Assistant Professor |
| Henry Okafor | College of Medicine | 701111-Chat Urology | Assistant Professor |
| Kyle Osborn | College of Medicine | 701004-Knox University Family Physicians | Assistant Professor |
| Lucianne Olewinski | College of Medicine | 701004-Knox University Family Physicians | Associate Professor |
| Marilyn Owens | College of Health Professions | 701911-Hearing and Speech Center | Instructor |
| Shelley Ost | College of Medicine | 700802-Medicine General Internal Medicine | Associate Professor |
| Teresa O''daniel | College of Dentistry | 701515-Dental Hygiene | Instructor |
| Twisha Oza | College of Medicine | 700608-Pathology | Associate Professor |
| Ugochi Ogu | College of Medicine | 700812-Medicine Hematology | Associate Professor |
