Alfredo Morabia (born 2 November 1952) is a Swiss-American physician, epidemiologist, and historian of medicine. He is currently professor of epidemiology at the Barry Commoner Center for Health and the Environment at Queens College, City University of New York. He is the Principal Investigator of the World Trade Center-Heart cohort study. He lectures and teaches on the history of epidemiology internationally in English, French, Spanish, Portuguese, and Italian.