Villars-Tiercelin was a municipality in the district of Gros-de-Vaud in the canton of Vaud in Switzerland. The municipalities of Villars-Tiercelin, Montaubion-Chardonney, Sottens, Villars-Mendraz and Peney-le-Jorat merged on 1 July 2011 into the new municipality of Jorat-Menthue.