Préverenges (pʁevʁɑ̃ʒ) is a municipality in the Swiss canton of Vaud, located in the district of Morges. It is a Suburb of the city of Lausanne.
Préverenges is first mentioned in 1224 as Preverenges.
Préverenges has an area, , of . Of this area, or 32.8% is used for agricultural purposes, while or 5.4% is forested. Of the rest of the land, or 60.2% is settled (buildings or roads), or 0.5% is either rivers or lakes.
Of the built up area, industrial buildings made up 7.0% of the total area while housing and buildings made up 32.8% and transportation infrastructure made up 10.8%. Power and water infrastructure as well as other special developed areas made up 3.8% of the area while parks, green belts and sports fields made up 5.9%. Out of the forested land, 2.7% of the total land area is heavily forested and 2.7% is covered with orchards or small clusters of trees. Of the agricultural land, 25.8% is used for growing crops and 1.1% is pastures, while 5.9% is used for orchards or vine crops. All the water in the municipality is flowing water.
The municipality was part of the Morges District until it was dissolved on 31 August 2006, and Préverenges became part of the new district of Morges.
The municipality is located on Lake Geneva along the Lausanne-Geneva road.
The blazon of the municipal coat of arms is Azure, a Sail-ship affrontee with two Sails Argent.
Préverenges has a population () of . , 27.4% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 18%. It has changed at a rate of 9.4% due to migration and at a rate of 8.7% due to births and deaths.
Most of the population () speaks French (3,428 or 84.1%), with German being second most common (206 or 5.1%) and Italian being third (123 or 3.0%). There are 6 people who speak Romansh.
Of the population in the municipality 624 or about 15.3% were born in Préverenges and lived there in 2000. There were 1,447 or 35.5% who were born in the same canton, while 758 or 18.6% were born somewhere else in Switzerland, and 1,109 or 27.