Ligerz (French: Gléresse) is a municipality in the Biel/Bienne administrative district in the Canton of Bern in Switzerland .

Ligerz is first mentioned in 1236 as Ligerce.

The shore of Lake Biel was inhabited during the Neolithic period. A Neolithic shoreline settlement has been discovered near the municipal border close to the village of Schafis, which is part of the La Neuveville municipality. Other traces of prehistoric settlements include scattered Bronze Age and Roman era artifacts. During the Middle Ages Ligerz was ruled by the Lords of Ligerz, who held it as a fief for the Counts of Nidau .