- Laboratory for Fetal and Neonatal Organ Regeneration - Shaun Kunisaki, M.D., M.Sc.
- Laboratory for Integrated NanoDiagnostics (LIND) - Stuart Ray, M.D.
- Laboratory of Airway Immunity - Stephane Lajoie, Ph.D., M.Sc.
- Laboratory of Auditory Neurophysiology - Xiaoqin Wang, Ph.D.
- Laboratory of Computational Intensive Care Medicine (Stevens Lab) - Robert Stevens, M.D.
- Laboratory of Richard L. Huganir - Richard Huganir, Ph.D.
- Laboratory of Vestibular NeuroAdaptation - Michael Schubert, Ph.D.
- Lakshmi Santhanam Lab - Lakshmi Santhanam, Ph.D.
- Lamichhane Lab - Gyanu Lamichhane, Ph.D.
- Lana Lee Lab - Lana Lee, M.D.
- Landon King Lab - Landon King, M.D.
- Larissa Shimoda Lab - Larissa Shimoda, Ph.D., M.S.
- Larry Chang Lab - Larry Chang, M.D., M.P.H.
- Laura Hummers Lab - Laura Hummers, M.D.
- Lee Martin Laboratory - Lee Martin, Ph.D.
- Lei Zheng Lab - Lei Zheng, M.D., Ph.D.
- Leonard Feldman Lab - Leonard Feldman, M.D.
- Lewis Romer Lab - Lewis Romer, M.D.
- Li Gao Lab - Li Gao, M.D., Ph.D.
- Liliana Florea Lab - Liliana Florea, Ph.D., M.Sc.
- Lilly Engineer Lab - Lilly Engineer, M.D., Dr.P.H., M.H.A.
- Lima Lab - Joao Lima, M.D., M.B.A.
- Linda Smith-Resar Lab - Linda Smith Resar, M.D.
- Lisa Cooper Lab - Lisa Cooper, M.D., M.P.H.
- Lisa Maragakis Lab - Lisa Maragakis, M.D., M.P.H.
- Lisa Yanek Lab - Lisa Yanek, M.P.H.
- Liudmila Cebotaru Lab - Liudmila Cebotaru, M.D., J.D.
- Livia Casciola-Rosen Lab - Livia Casciola-Rosen, Ph.D.
- Lonny Yarmus Lab - Lonny Yarmus, D.O.
- Loyal Goff Laboratory - Loyal Goff, Ph.D.