Triplett may refer to:
In people:
- Kirk Triplett, golfer
- Norman Triplett, social psychologist
- Skip Triplett, CEO of Kwantlen University College in Vancouver
- Wallace Triplett, American football player
- Nathan Triplett, American football player
- Sally Ann Triplett, British singer and actress
- Samuel Triplett, Medal of Honor recipient
In geography:
- Triplett, Kentucky
- Triplett, Missouri, United States
- Triplett, West Virginia
In objects:
- Triplett Corporation, Manufacturer of electrical test and measurement equipment
- A voltmeter or other item of test equipment made by them