Clinton County may refer to:
- Counties named for George Clinton, first and third Governor of New York, and later the fourth Vice President of the United States:
- Clinton County, New York
- Clinton County, Ohio
- Counties named for DeWitt Clinton, seventh and ninth Governor of New York and nephew of George Clinton:
- Clinton County, Illinois
- Clinton County, Indiana
- Clinton County, Iowa
- Clinton County, Kentucky
- Clinton County, Michigan
- Clinton County, Missouri
- Clinton County, Pennsylvania
See also
- Clinton County Courthouse (disambiguation)