- Rachel Damico Lab - Rachel Damico, M.D., Ph.D.
- Rachel Levine Lab - Rachel B. Levine, M.D., M.P.H.
- Radionuclide Therapy and Dosimetry Research Lab - George Sgouros, Ph.D.
- Radiopharmaceutical Therapy and Dosimetry Lab - George Sgouros, Ph.D.
- Rahul Koka Lab - Rahul Koka, M.D., M.P.H.
- Rakhi Naik Lab - Rakhi Naik, M.D., M.H.S.
- Rao Laboratory - Rajini Rao, Ph.D.
- Rasika Mathias Lab - Rasika Mathias, Sc.D.
- Ratchford Lab - Elizabeth Ratchford, M.D.
- Raul Chavez-Valdez Lab - Raul Chavez Valdez, M.D.
- Redonda Miller Lab - Redonda Miller, M.D., M.B.A.
- Reezwana Chowdhury Lab - Reezwana Chowdhury, M.D.
- Reid Thompson Laboratory - William Thompson, M.D.
- Research on Reproductive Health Care for Incarcerated People - Carolyn Sufrin, M.D., Ph.D., A.M.
- Retinal Cell and Molecular Lab - Peter Campochiaro, M.D.
- Retrovirus Laboratory - Janice Clements, Ph.D.
- Richard Chaisson Lab - Richard Chaisson, M.D.
- Richard F. Ambinder Lab - Richard Ambinder, M.D., Ph.D.
- Richard John Jones Lab - Richard Jones, M.D.
- Richard Moore Lab - Richard Moore, M.D.
- Richard W. TeLinde Endowed Gynecologic Pathology Lab - Ie-Ming Shih, M.D., Ph.D.
- Rita Kalyani Lab - Rita Kalyani, M.D., M.H.S.
- Robert Anders Lab - Robert Anders, M.D., Ph.D.
- Robert Bollinger Lab - Robert Bollinger, M.D., M.P.H.
- Robert Brodsky Lab - Robert Brodsky, M.D.
- Robert Bulat Lab - Robert Bulat, M.D., Ph.D., M.Sc.
- Robert Greenberg Lab - Robert Greenberg, M.D.
- Robert H. Brown Lab - Robert Brown, M.D., M.P.H.
- Robert Siliciano Laboratory - Robert Siliciano, M.D., Ph.D.
- Robert Wise Lab - Robert Wise, M.D.
- Roberto Salvatori Lab - Roberto Salvatori, M.D.
- Roger Johns Lab - Roger Johns, M.D.
- Romsai Boonyasai Lab - Romsai Boonyasai, M.D., M.P.H.
- Ron Banerjee Lab - Ronadip Banerjee, M.D., Ph.D.
- Ronald Schnaar Lab - Ronald Schnaar, Ph.D.
- Ronen Shechter Lab - Ronen Shechter, M.D.
- Rosalyn Stewart Lab - Rosalyn Stewart, M.D., M.B.A., M.S.
- Roy Brower Lab - Roy Brower, M.D.
- Ruth Faden Lab - Ruth Faden, Ph.D.
- Ryuya Fukunaga Lab - Ryuya Fukunaga, Ph.D.