David E. Bloom (born October 16, 1955) is an American author, professor, economist, and demographer. He is Professor of Economics and Demography at the Harvard School of Public Health, and director of the Program on the Global Demography of Aging. He is widely considered as one of the greatest multidisciplinary social science researchers of the world. He has been honored with an Alfred P. Sloan Research Fellowship and the Galbraith Award for teaching. He was also a Fulbright Scholar in India (1982–1983) and a Scholar-in-Residence at the Russell Sage Foundation (1989–1990).