Ashtead is a village in the Mole Valley district of Surrey, England, approximately 16 mi (26 km) south of central London. Ashtead is on the single-carriageway A24 between Epsom and Leatherhead. The village is on the northern slopes of the North Downs and is in the catchment area of The Rye, a tributary of the River Mole.

Mole Valley is a local government district in Surrey, England. Its council is based in Dorking, and the district's other town is Leatherhead. The largest villages are Ashtead, Fetcham and Great Bookham, in the northern third of the district.