L
- Lakatta, Edward G., M.D., NIA
- Lan, Qing, M.D., Ph.D., M.P.H., NCI/DCEG
- Landi, Maria T., M.D., Ph.D., NCI/DCEG
- Launer, Lenore Joy, Ph.D., NIA
- Lee, Choonsik, Ph.D., NCI/DCEG
- Levy, Daniel, M.D., NHLBI
- Linet, Martha S., M.D., M.P.H., NCI/DCEG
- Little, Mark, D.Phil., NCI/DCEG
- Liu, Aiyi, Ph.D., NICHD/DIPHR
- Liu, Danping, Ph.D., NCI/DCEG
- Liu, Zhiwei, Ph.D., NCI/DCEG
- Loftfield, Erikka, Ph.D., M.P.H., NCI/DCEG
- London, Stephanie, M.D., Dr.P.H., NIEHS
- Long, Carole A., Ph.D., NIAID/DIR
- Lubin, Jay H., Ph.D., NCI/DCEG