Mary Lou Clements-Mann (September 17, 1946 – September 2, 1998) was the longtime head of the Division of Vaccine Sciences at the Johns Hopkins Bloomberg School of Public Health, and is well known for her knowledge and work in HIV and AIDS.
She died in the 1998 crash of Swissair Flight 111 with her husband, Jonathan Mann.
Clements-Mann graduated from Texas Tech University in 1968 and received her medical degree from the University of Texas in 1972.
She also received a doctorate in tropical medicine from the University of London in 1975 and a master's degree in public health, specifically epidemiology, from Johns Hopkins University in 1979.