Claiborne Parish is a parish located in the northwestern section of the U.S. state of Louisiana. The parish was formed in 1828, and was named for the first Louisiana governor, William C. C. Claiborne. As of the 2020 census, the population was 14,170. The parish seat is Homer.

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.