The Northwestern University Feinberg School of Medicine, formerly Northwestern University Medical School from 1906 to 2002, is the medical school of Northwestern University and is located in the Streeterville neighborhood of Chicago, Illinois. Founded in 1859, Feinberg offers a full-time Doctor of Medicine degree program, multiple dual degree programs, graduate medical education, and continuing medical education.

Through clinical affiliates Northwestern Memorial Hospital, the Ann & Robert H. Lurie Children's Hospital of Chicago, and the Shirley Ryan AbilityLab (formerly Rehabilitation Institute of Chicago). Feinberg and its clinical affiliates are together an $11 billion academic medical enterprise. The school has about 4,830 faculty members.