Farum is a town on the northeast of the island of Zealand in eastern Denmark, 20 km northwest of Copenhagen. The town has a population of 20,317. The town is part of Furesø Municipality. Until 2006, it constituted Farum Municipality.

Farum station is an S-train railway station serving the satellite town of Farum north of Copenhagen, Denmark. It is located about 1 km east of the old village Farum, but is the center of the modern Farum, which has grown up around the station.