Buckeystown is an unincorporated community and census-designated place (CDP) in Frederick County, Maryland, United States. As of the 2010 census the population was 1,019. Buckeystown Historic District and Buckingham House and Industrial School Complex were listed on the National Register of Historic Places in 1982. Carrollton Manor was listed in 1997. Former Congressman Roscoe Bartlett lives on a farm in the town.

Carrollton Manor was a 17,000 acre (69 km2) tract of land in Frederick County, Maryland, United States, which extended from the Potomac River on the south, Catoctin Mountain to the west, the Monocacy River to the east, and Ballenger Creek to the north. It included the towns of Lime Kiln, Buckeystown, Adamstown, Doubs, Licksville, Tuscarora, and Point of Rocks.