Saint-Aubin-Sauges is a former municipality in the district of Boudry in the Canton of Neuchâtel in Switzerland . On 1 January 2018 the former municipalities of Bevaix , Saint-Aubin-Sauges, Gorgier , Vaumarcus , Montalchez and Fresens merged into the new municipality of La Grande-Béroche.

Saint-Aubin-Sauges is first mentioned in 1176 as Sancti Albini. In 1340 it was mentioned as villa de Sauges.

Saint-Aubin-Sauges has an area, as of 2009, of 7.7 square kilometers (3.0 sq mi). Of this area, 3.68 km2 (1.42 sq mi) or 47.7% is used for agricultural purposes, while 2.95 km2 (1.14 sq mi) or 38.3% is forested.