Achttienhoven is a hamlet in the Dutch province of South Holland.

It is a part of the municipality of Nieuwkoop, and lies about 7 km north of Woerden.

The statistical area "Achttienhoven", which also includes the surrounding countryside, has a population of around 130.

[2] The nature reserve De Haeck lies northwest of the hamlet.

This South Holland location article is a stub.