Dittligsee is a lake in the canton of Bern, Switzerland, near Blumenstein and Wattenwil.

Its surface area is 6.02 ha (14.9 acres).

The lake is situated at an elevation of 652m (2,139 ft) and is almost completely surrounded by reed.

[1] Other than a small wooden pier, the lake is mostly inaccessible.

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