Achthoven is a hamlet in the Dutch province of Utrecht.

It is a part of the municipality of Vijfheerenlanden, and lies about 7 km south of IJsselstein.

The hamlet is located in the Polder Achthoven, on the dike of the river Lek.

The hamlet was first mentioned in the middle of the 14th century as Cortachoven, and means "eight parcels of land".

Polder Achterhoven is a 118 hectares (290 acres) nature area in the floodplains of the Lek River.