| 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 |
| Osborn, Austin Ballar | College of Nursing | Advanced Practice & Doctoral Study Progr | Assistant 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 |
| Olds, Brett | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Ostrow, Bridget F | College of Medicine - Memphis | Surgery - Surgery General | 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 |
| O'giun, Crystal Danie | College of Nursing | Acute and Tertiary Care | Asst Professor |
| Oleis, Cathy | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Oti, Chiemezie Pius | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Ottenritter, Conwell | College of Medicine - Memphis | Clinical Medical Education | Assistant Professor |
| Osborne, Dustin Ryan | College of Medicine - Knoxville | Knox Radiology | Associate 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 |
| Osborn, James M | College of Medicine | Chat Clinical Medical Education | Assistant Professor |
| O'brien, Kevin M | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Assistant Professor |
| Owen, Kathryn Leanne | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Owens, Kristin Elizab | College of Medicine - Memphis | Obstetrics & Gynecology | Instructor |
| Olewinski, Lucianne Helena | College of Medicine - Knoxville | Knox Family Medicine | Assistant Professor |
| Oliver, Lemuel D | College of Medicine - Memphis | Emergency Medicine | Assistant 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 |
| Owen, Marcus Andrew | College of Medicine - Memphis | Medicine - Med Rheumatology | Asst Professor |
| Ogbeide, Osarenren | College of Medicine - Memphis | Medicine - Med Hematology | Assistant Professor |
| Oler, Paul Robert | College of Medicine - Memphis | Radiology | Assistant Professor |
| Obeirne, Rachel Urban | College of Medicine - Memphis | Clinical Medical Education | Instructor |
| Orland, Rich | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Assistant Professor |
| Overholt, Robert D | College of Medicine - Knoxville | Knox Medicine | Clinical Asst Professo |
| 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, Sherry K. | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Ost, Shelley Rae | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Associate Professor |
| Ochani, Teekam Das | College of Medicine - Memphis | Anesthesiology | Associate Professor |
| O'daniel, Teresa Barrett | College of Dentistry | Dental Hygiene | Clinical Instructor- Dent |
| Oldham, Todd | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Oswald, Thomas | College of Medicine - Memphis | Emergency Medicine | Assistant Professor |
| Overly, Tjuan L | College of Medicine - Knoxville | Knox Medicine | Assistant Professor |
| Oza, Twisha H | College of Medicine - Memphis | Pathology | Assistant Professor |
| Ogu, Ugochi O. | College of Medicine - Memphis | Medicine - Med Hematology | Associate Professor |
| Okoye, Vivian | College of Medicine - Memphis | Pediatrics - Peds Hospitalist | Assistant Professor |
| Ooka, Vishal | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| Ozoigbo, Valentine Chuks | College of Medicine - Memphis | Family Medicine - WestTn Family Practice-Memphis | Assistant Professor |
| Oellerich, William F | College of Med Chattanooga | College of Medicine-Chattanooga | Instructor |
| Oros, Bill | College of Medicine - Knoxville | Knox Surgery | Clinical Asst Professo |
| Ozmo, Zak | College of Medicine - Memphis | Radiation Oncology | Assistant Professor |