Wyoming County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 21,382. Its county seat is Pineville. The county was created in 1850 from Logan County and named for the Lenape word meaning "large plains".

Pineville is a town in and the county seat of Wyoming County, West Virginia, United States, situated along the Guyandotte River. The population was 648 at the 2020 census.