Limmernsee (or Limmerensee) is a reservoir in the Canton of Glarus, Switzerland, between the peaks of Muttenchopf (2,482 m), Selbsanft (2,950 m) and Kistenstöckli (2,746 m). It may be reached by aerial tramway or by foot from Linthal.

The Limmern dam was completed in 1963 and is the largest reservoir used by the Linth–Limmern Power Stations. The lake's surface area is 1.36 km (0.53 sq mi).

• List of lakes of Switzerland
• List of mountain lakes of Switzerland

• Media related to Limmerensee at Wikimedia Commons
• Zukunft Wasserkraft – Linthal 2015 Kraftwerke Linth-Limmern Archived 2007-09-29 at the Wayback Machine (in German) Project for the expansion of the Muttsee/Limmernsee reservoirs.