William Tepper
- Birthday: 1948-01-01
- Deathday: 2017-10-04
- Place of birth: The Bronx, New York, USA
William Tepper (June 27, 1948 – October 4, 2017) was an American actor and screenwriter, best known for his lead role in Jack Nicholson's directorial debut, Drive, He Said (1971).
