Lauerz is a village and municipality in the Schwyz District of the Canton of Schwyz in Switzerland . It adjoins Lake Lauerz (Lauerzersee).

Lauerz is first mentioned in 1306 as Lowertz.

In September 1806, the village was very badly affected by the tsunami that followed the landslide at Goldau, resulting in the deaths of 115 people in Lauerz alone.

The village of Lauerz is situated on the south shore of Lake Lauerz (Lauerzersee). The municipality consists of the village of Lauerz and a number of scattered farm houses between the northern slope of the Rigi mountain and the lake.