Rachel Naomi Remen (born February 8, 1938, New York, New York) is an author about and teacher of alternative medicine in the form of integrative medicine. She is a professor at the Osher Center of Integrative Medicine at the University of California, San Francisco. Together with Michael Lerner, she is a founder of the Cancer Help Program at Commonweal Institute, better known as Commonweal. She is the founder of the Institute for the Study of Health & Illness. She has been featured on the PBS television series, Thinking Allowed.