The Herrensee is a lake near the town of Strausberg, located in the Märkisch-Oderland district, Brandenburg, Germany.

It is situated about 30 kilometres (19 mi) north-east of the city of Berlin.

Herrensee belongs to the Naturschutzgebiet Lange Dammwiesen und Unteres Annatal.

The lakes Bötzsee and Straussee are located nearby.