Moossee (or Grosser Moossee) is a lake in the canton of Bern, Switzerland.

Its surface area is 31 ha (77 acres).

The lake gives the name to Moosseedorf (literally "village of Moossee") on its southern shore.

The golf course Moossee is located east of the lake at Münchenbuchsee.

This article related to a lake in the canton of Bern is a stub.