Jonas Salk (1914–1995) was the developer of the first effective polio vaccine.

Salk may also refer to:

Designation for the inactivated (dead) poliovirus form of polio vaccine Lee Salk (1926–1992), psychologist and author Salk Institute for Biological Studies, a research institute in La Jolla, California, US Salk School of Science, middle school in Manhattan Salk Hall Salk Oval, sporting venue named after Jonas Salk

See also SALC (disambiguation)