Renens is a municipality in the canton of Vaud, Switzerland. It is located in the district of Ouest Lausannois, and is a suburb of the city of Lausanne. It is the fourth largest city in the canton. It is considered a very multiethnic town, as more than 50% of the inhabitants are resident foreign nationals from about a hundred different countries.

Vaud ,(German; Kanton Waadt) more formally the canton of Vaud, is one of the 26 cantons forming the Swiss Confederation. It is composed of ten districts, and its capital city is Lausanne. Its coat of arms bears the motto "Liberté et patrie" on a white-green bicolour.