Alonzo Smythe Yerby

Alonzo Yerby (October 14, 1921 – February 16, 1994) was an American physician and academic who served as the Associate Dean of the Harvard School of Public Health in Boston. He previously served as New York City Hospitals Commissioner, as a department head and professor at the Harvard School of Public Health.

He was the first Black chairman of a department at the public health school, and the first Black New York City Hospitals Commissioner, heading the city's hospitals department. He is the namesake of the Harvard Chan Yerby Fellowship Program at the Harvard T.H. Chan School of Public Health.