Hammersee
Hammersee stands for:
- Hammersee (Bodenwoehr) , lake in the district of Schwandorf, Bavaria
- Hammersee (Juist) , lake on the island of Juist
- Hammersee (Schlaubetal) , lake in the Oder-Spree district, Brandenburg
- Hammersee , reservoir near Hamr na Jezeře in Okres Česká Lípa, Liberec region, Czech Republic