Knappensee
Knappensee is the name of
- Knappenrode storage facility (Upper Sorbian Hórnikečanski jězor), also known as Knappensee , open- cast mining hole southeast of Hoyerswerda in Saxony
- Knappensee (municipality) , from 1995 to 2004 a municipality in Saxony, southeast of the city of Hoyerswerda
- Knappensee (Wackersdorf) , open-cast mine in the area of the Wackersdorf administrative community in the Schwandorf district in Upper Palatinate in Bavaria