Claiborne County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 32,043. Its county seat is Tazewell and its largest city is Harrogate.

William Charles Cole Claiborne was an American politician, best known as the first non-colonial governor of Louisiana. He also has the distinction of possibly being the youngest member of the United States Congress in U.S. history, although reliable sources differ about his age.