Millikan is a surname, and may refer to
People:
- Bud Millikan, Maryland Terrapins head basketball coach 1950-1967
- Robert Andrews Millikan, Nobel prize winning physicist
- Glenn Allan Millikan, physiologist, inventor of Millikan oximeter and son of Robert Andrews Millikan
- Ruth Millikan, American philosopher of biology, psychology, and language
- Joe Millikan, racecar driver
- Clark Blanchard Millikan, professor of aeronautics and son of Robert Andrews Millikan
- Edward E. Simmons aka "Millikan Man"
Places:
- Millikan High School
- Millikan Middle School
- Millikan House
- Millikan Way (MAX station)
Other:
- Millikan (crater)
- Millikan oil drop experiment