Signau District is a district in Switzerland in the canton of Bern with its seat Signau.

From 1 January 2010, the district lost its administrative power while being replaced by the Emmental (administrative district), whose administrative centre is Langnau im Emmental.

Since 2010, it remains therefore a fully recognised district under the law and the Constitution (Art.3 al.2) of the Canton of Berne.

It includes nine municipalities in an area of 320 km2: