Heusweiler is a municipality located in the District of Saarbrücken within the state of Saarland, Germany. It is situated approximately 13 km north of the city of Saarbrücken and had a population of 18,062 as of 2019.
The town was notably home to a high power medium wave transmitter known as the Heusweiler transmitter. The masts associated with this facility were destroyed in 2018.