Mary Lou Clements-Mann (September 17, 1946 – September 2, 1998) was the founder and first Director of the Center for Immunization Research at the Johns Hopkins Bloomberg School of Public Health and is well known for her work in the areas of HIV and influenza vaccine research.

[4] Beginning in 1975, Clements-Mann worked as consultant to the World Health Organization's Smallpox Eradication Program in India.

[4] She was a member of the US Centers for Disease Control Advisory Committee on the Children's Vaccine Initiative and the World Health Organization's steering committee for HIV vaccine development.

[1] Throughout her career, Clements-Mann developed an extensive bibliography with papers on vaccines for influenza, HIV, cholera, hepatitis B, respiratory syncytial virus, parainfluenza, Rocky Mountain spotted fever, rotavirus, E. coli, and typhoid.

[1] She died in the 1998 crash of Swissair Flight 111 with her husband while traveling to a World Health Organization meeting in Geneva.