Saint-Cierges is a former municipality in the district of Gros-de-Vaud in the canton of Vaud in Switzerland. Its name refers to Saint Cyriacus, who is the town's patron saint. The municipalities of Chapelle-sur-Moudon, Correvon, Denezy, Martherenges, Neyruz-sur-Moudon, Peyres-Possens, Saint-Cierges, Thierrens and Chanéaz merged on 1 January 2013 into the new municipality of Montanaire.