Michael Weitzman (born January 16, 1948) is an American pediatrician specializing in public health and policy. He is known for his research focusing on the social and environmental determinants of child health. He has published over 150 articles in medical and scientific journals on the damaging effects of second-hand smoke, lead exposure, and countless other determinants of children's health and behavior. From 1999-2005 he served as the executive director of the Center for Child Health Research, a national research institute created by the American Academy of Pediatrics.