Archbald is a borough in Lackawanna County, Pennsylvania, United States. It is part of Northeastern Pennsylvania and is named for James Archbald, the first mayor of Carbondale, Pennsylvania. Before being renamed in Archbald's honor, the name of the settlement was White Oak Run. Most of the original settlers were Irish Catholics, fleeing the Great Famine. The population was 7,348 at the 2021 census. The village of Eynon is incorporated into Archbald.