| Odukoya, Adewale Adey | College of Medicine - Memphis | Family Medicine - WestTn Family Practice-Jackson | Assistant Professor |
| Odulana, Debo | College of Medicine - Memphis | Pediatrics - Peds General | Assistant Professor |
| Onuora, Afamefuna A | College of Medicine - Memphis | Medicine - Med Cardiology | Assistant Professor |
| Orr, Angela M | College of Health Professions | Audiology & Speech Pathology - Hearing & Speech Center | Assistant Professor |
| Orucevic, Amila | College of Medicine - Knoxville | Knox Pathology | Professor |
| Owosho, Adepitan | College of Dentistry | Diagnostic Sciences & Oral Medicine | Associate Professor & Dir |
| O'hare, Brendan B | College of Medicine - Memphis | Clinical Medical Education | Assistant Professor |
| Owens, Mary Brinson | College of Medicine - Memphis | Surgery - General Surgery | Assistant Professor |
| Obele, Chika Chizoba | College of Medicine - Memphis | Radiology | Assistant Professor |
| Odom, Cynthia | College of Nursing | Community & Population Health | Instructor |
| Ottenritter, Conwell | College of Medicine - Memphis | Clinical Medical Education | Assistant Professor |
| Overton, Courtney | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Oliver, Danielle Alex | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Osborne, Dustin Ryan | College of Medicine - Knoxville | Knox Radiology | Professor |
| Ozdenerol, Esra | College of Medicine - Memphis | Preventive Medicine - Preventive Medicine | Assistant Professor |
| Ott, Elizabeth Wheele | College of Medicine - Memphis | Physician Assistant | Instructor |
| Odulana, Florene D | College of Medicine - Memphis | Obstetrics & Gynecology | Assistant Professor |
| Okafor, Henry | College of Medicine - Chattanooga | Chat Urology | Assistant Professor |
| Oktaei, Hooman | College of Medicine - Memphis | Medicine - Med Endocrinology | Assistant Professor |
| Omer, Imad | College of Medicine - Memphis | Medical Education | Assistant Professor |
| Oleis, John Yates | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Opferman, Joseph Thom | College of Medicine - Memphis | Microbiology, Immunology & Biochemistry | Assistant Professor |
| Oros, Joseph Francis | College of Medicine - Chattanooga | Chat Pediatrics | Assistant Professor |
| O'brien, Kevin M | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Assistant Professor |
| Orland, Keith Jayson | College of Medicine - Memphis | Orthopaedic Surgery | Instructor |
| Osborn, Kyle J | College of Medicine - Knoxville | Knox Family Medicine | Instructor |
| Owens, Kristin Elizab | College of Medicine - Memphis | Obstetrics & Gynecology | Instructor |
| Olewinski, Lucianne Helena | College of Medicine - Knoxville | Knox Family Medicine | Associate Professor |
| Owens, Marilyn Mays | College of Health Professions | Audiology & Speech Pathology - Hearing & Speech Center | Instructor |
| Okoth, Martin R | College of Medicine - Memphis | Physician Assistant | Instructor |
| Olejcek, Martin | College of Medicine - Memphis | Clinical Medical Education | Assistant Professor |
| Ouellette, Mark | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Ogbeide, Osarenren | College of Medicine - Memphis | Medicine - Med Hematology | Assoc Professor |
| Obaji, Suhail | College of Medicine - Memphis | Medicine - Med Hematology | Assistant Professor |
| Odhav, Satish | College of Medicine - Memphis | Family Medicine - WestTn Family Practice-Jackson | Assistant Professor |
| Ogden, Stacey K | College of Medicine - Memphis | Pathology | Assistant Professor |
| Osborne, Scott Neill | College of Medicine - Memphis | Radiology | Assistant Professor |
| Ost, Shelley Rae | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Associate Professor |
| Otieno, Steve B | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Assistant Professor |
| O'daniel, Teresa Barrett | College of Dentistry | Dental Hygiene | Instructor |
| Oldham, Todd | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Overly, Tjuan L | College of Medicine - Knoxville | Knox Medicine | Assistant Professor |
| Oza, Twisha H | College of Medicine - Memphis | Pathology | Associate Professor |
| Ogu, Ugochi O. | College of Medicine - Memphis | Medicine - Med Hematology | Associate Professor |
| Ozoigbo, Valentine Chuks | College of Medicine - Memphis | Family Medicine - WestTn Family Practice-Memphis | Assistant Professor |
| Oros, Bill | College of Medicine - Knoxville | Knox Surgery | Clinical Assistant Pro |
| Ozmo, Zak | College of Medicine - Memphis | Anatomy & Neurobiology | Assistant Professor |
