| | Aimen Liaqat | College of Medicine - Memphis | Surgery - Transplant Surgery | Assistant Professor |
| | Amanda Linz | College of Medicine - Memphis | Pediatrics - Peds Palliative Care | Assistant Professor |
| | Ariel Long | College of Medicine - Memphis | Pediatrics - Peds Pulmonology | Assistant Professor |
| | Christine Lamey | College of Medicine - Memphis | Medicine - Med General Internal Medicine | Assistant Professor |
| | Steven Laizure | College of Pharmacy | Clinical Pharmacy & Translational Science | Professor |
| | Christopher Ledbetter | College of Medicine - Memphis | Urology | Associate Professor |
| | Douglas Laman | College of Medicine - Chattanooga | Chat Pediatrics | Assistant Professor |
| | Djamel Lebeche | College of Medicine - Memphis | Physiology | Professor |
| | Daniel Levin | College of Medicine - Knoxville | Knox Surgery | Assistant Professor |
| | Donna Lynch-Smith | College of Nursing | Acute and Tertiary Care | Associate Professor |
| | Elizabeth Lee | College of Dentistry | General Dentistry | Assistant Professor |
| | Emily Lenart | College of Medicine - Memphis | Surgery - Trauma/Surgical Critical Care | Associate Professor |
| | Francesca-Fang Liao | College of Medicine - Memphis | Pharmacology, Addiction Science, and Toxicology | UThsc Distinguished Professor |
| | Feng Liu-Smith | College of Medicine - Memphis | Preventive Medicine - Preventive Medicine | Associate Professor |
| | Kahler Low | College of Medicine - Knoxville | Knox Surgery | Assistant Professor |
| | Holly Lydigsen | College of Nursing | Health Promotion/Disease Prevention | Assistant Professor |
| | Joanna Hudson Laizure | College of Pharmacy | Clinical Pharmacy & Translational Science | Professor |
| | John Lacy | College of Medicine - Knoxville | Knox Urology | Assistant Professor |
| | John Lally | College of Dentistry | General Dentistry | Assistant Professor |
| | Julio Lanfranco Molina | College of Medicine - Memphis | Medicine - Med Pulmonary | Associate Professor |
| | Jessica Lange | College of Medicine - Chattanooga | Chat Urology | Assistant Professor |
| | Jeffrey Lee | College of Medicine - Chattanooga | Chat Pediatrics | Assistant Professor |
| | Jorge Lee Diaz | College of Medicine - Memphis | Radiology | Associate Professor |
| | Joshua Lennon | College of Medicine - Memphis | Neurology | Assistant Professor |
| | James Lewis | College of Medicine - Knoxville | Knox Surgery | Professor |
| | West Lewis | College of Dentistry | Prosthodontics | Assistant Professor |
| | Jay Lieberman | College of Medicine - Memphis | Pediatrics - Peds Pulmonology | Professor |
| | Jock Lillard | College of Medicine - Memphis | Neurosurgery | Assistant Professor |
| | James Lindsay | College of Medicine - Knoxville | Knox Medical Library | Professor |
| | Jill Lloyd | College of Medicine - Knoxville | Knox Surgery | Associate Professor |
| | Lucy Lu | College of Medicine - Memphis | Medicine - Med Nephrology | Assistant Professor |
| | Janet Lubas | College of Medicine - Knoxville | Knox Medicine | Assistant Professor |
| | Jennifer Langford | Academic, Faculty, Student Aff | Library | Associate Professor |
| | Kyle Lange | College of Medicine - Knoxville | Knox Surgery | Assistant Professor |
| | Keri Lattimore | College of Medicine - Knoxville | Knox Obstetrics & Gynecology | Assistant Professor |
| | Kui Li | College of Medicine - Memphis | Microbiology, Immunology & Biochemistry | Professor |
| | Kimberly Linden | College of Medicine - Knoxville | Knox Surgery | Assistant Professor |
| | Kito Lord | College of Medicine - Memphis | Emergency Medicine | Assistant Professor |
| | Leo Lamsen | College of Medicine - Knoxville | Knox Simulation Center | Assistant Professor |
| | Linda Lazar | College of Medicine - Memphis | Pediatrics - Peds Gastroenterology | Professor |
| | Layne Levy | College of Dentistry | General Dentistry | Associate Professor |
| | Lindsey Locke | College of Nursing | Health Promotion/Disease Prevention | Instructor |
| | Leslie Lopez-Calderon | College of Medicine - Memphis | Pathology | Assistant Professor |
| | Muriel Law | College of Medicine - Knoxville | Knox Dentistry | Instructor |
| | Michael La Bagnara | College of Medicine - Memphis | Neurosurgery | Assistant Professor |
| | Mark Lackey | College of Dentistry | General Dentistry | Associate Professor & Interim Chair |
| | Marie Leo | College of Pharmacy | Pharmaceutical Sciences | Assistant Professor |
| | Sam Li | College of Pharmacy | Clinical Pharmacy & Translational Science | Associate Professor |
| | Maria Lingerfelt | College of Pharmacy | Clinical Pharmacy & Translational Science | Assistant Professor |
| | Nan Li | College of Medicine - Memphis | Microbiology, Immunology & Biochemistry | Assistant Professor |
| | April Lao | College of Medicine - Memphis | Ophthalmology | Assistant Professor |
| | Pamela Lewis-Kipkulei | College of Health Professions | Occupational Therapy | Associate Professor |
| | Patricia Logan | College of Medicine - Memphis | Pediatrics - Peds Child Development | Associate Professor |
| | Frank Luther | College of Dentistry | General Dentistry | Assistant Professor |
| | Richard Lackie | College of Dentistry | Diagnostic Sciences & Oral Medicine | Assistant Professor |
| | Rachel Landisch | College of Medicine - Memphis | Surgery - Pediatric Surgery | Assistant Professor |
| | Ronald Laribee | College of Medicine - Memphis | Pathology | Associate Professor |
| | Robert Lowe | College of Medicine - Knoxville | Knox Medicine | Assistant Professor |
| | Sarah Lane | College of Medicine - Memphis | Pediatrics - Peds Child Development | Assistant Professor |
| | Stephanie Lancaster | College of Health Professions | Occupational Therapy | Associate Professor |
| | Scott Lawrence | College of Medicine - Memphis | Ophthalmology | Associate Professor |
| | Stuart Lazarov | College of Medicine - Memphis | Anesthesiology | Assistant Professor |
| | Sue Chin Lee | College of Medicine - Memphis | Physiology | Associate Professor |
| | Saunders Lin | College of Medicine - Memphis | Surgery - Pediatric Surgery | Assistant Professor |
| | Sharon Little | College of Nursing | Health Promotion/Disease Prevention | Assistant Professor |
| | Samuel Loescher | College of Medicine - Memphis | Family Medicine - WestTn Family Practice-Memphis | Instructor |
| | Stephanie Lynema | College of Medicine - Knoxville | Knox Obstetrics & Gynecology | Assistant Professor |
| | Tracy LeGros | College of Medicine - Memphis | Emergency Medicine | Professor |
| | Wei Li | College of Pharmacy | Pharmaceutical Sciences | Professor |
| | Wendy Likes | College of Nursing | Health Promotion/Disease Prevention | Professor And Dean |
| | Xiangxia Liu | College of Medicine - Memphis | Plastic Surgery | Associate Professor |
| | Yehoshua Levine | College of Medicine - Memphis | Medicine - Med Cardiology | Assistant Professor |
| | Yi Lu | College of Medicine - Memphis | Pathology | Associate Professor |
| | Zachary Lundby | College of Medicine - Memphis | Anesthesiology | Assistant Professor |