Riegsee is a municipality in the district of Garmisch-Partenkirchen, in Bavaria, Germany.

The name Riegsee derives from the personal name Ruodgis and the Old High German word for "lake", sê(o).

[3] Attested historical forms of the name include Ruodgise (1050–c.

1065), Rvodgisisse (1052–55), Roueggese (c. 1065–75), Ruodkisesse/Rotkisesse (1152–53), Ruetgisse (1193–95), Ruggessê (1193–95), Roͮikisse (12th century), Rovchse (c. 1200), Rügsee (14th century), Rugksee (1403), Ruexsee (1431), Rügksee (1501), Riechsee (c. 1583), and Riegsee (1629).

This Garmisch-Partenkirchen district location article is a stub.