Frillensee
Frillensee is part of the name of a water body in Bavaria:
- Frillensee (Grainau) , mountain lake next to the Eibsee in the municipality of Grainau, Garmisch-Partenkirchen district
- Frillensee (Inzell) , lake in the Chiemgau Alps in the municipality of Inzell, district of Traunstein
- Frillenseebach , outflow of the Frillensee (Inzell) and left tributary of the Großwaldbach at the forester's house Adlgaß, Inzell municipality, Traunstein district