Clintwood is a town in Dickenson County, Virginia, United States. The population was 1,414 at the 2010 census, with an estimated population of 1,343 in 2014. It is the county seat of Dickenson County. Although originally called Holly Creek after a small stream that runs through the town, it was later named Clintwood after Major Henry Clinton Wood, a Confederate officer in the 37th Virginia Infantry Regiment.