| 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 CDD | 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 |