Les Cullayes is a former municipality in the district of Lavaux-Oron in the canton of Vaud in Switzerland . The municipality of Les Cullayes merged on 1 January 2012 into the municipality of Servion .

Les Cullayes is first mentioned in 1359 as Culaes.

Les Cullayes had an area, as of 2009, of 2.1 square kilometers (0.81 sq mi). Of this area, 1.52 km2 (0.59 sq mi) or 71.7% is used for agricultural purposes, while 0.21 km2 (0.081 sq mi) or 9.9% is forested. Of the rest of the land, 0.36 km2 (0.14 sq mi) or 17.0% is settled (buildings or roads).