Bertrange (Luxembourgish:Bartreng, German:Bartringen) is a commune and town in south-western Luxembourg. It is located 6.5km west of Luxembourg City.
As of 2006, the town of Bertrange, which lies in the north-east of the commune, has a population of 6,021 of which just over half are Luxembourgers. Over 60 different nationalities live in the commune.