Boskovštejn (German: Boskowstein) is a municipality and village in Znojmo District in the South Moravian Region of the Czech Republic.

Boskovštejn lies on the Jevišovka River, approximately 16 kilometres (10 mi) north-west of Znojmo, 55 km (34 mi) south-west of Brno, and 166 km (103 mi) south-east of Prague.

It was built as a water fortress in the early 16th century.

At present the building serves as a bicycle museum.

This South Moravian Region location article is a stub.