William Warrick Cardozo (1905–1962) was an accomplished private physician and pediatrician who also served as an instructor at the Howard University College of Medicine and as a school medical inspector for the District of Columbia Board of Health. He is best known for his research on sickle cell anemia, but also published articles about Hodgkin’s disease, the gastrointestinal health of children, and the physical development of African American children. Cardozo was an early African-American contributor in the healthcare profession.