Datteln is a town in the district of Recklinghausen, in North Rhine-Westphalia, Germany. It is situated on a crossroads of four canals, which makes it the biggest canal junction in the World, approx. 10 km north-east of Recklinghausen and 20 km north-west of Dortmund.
Katja Seizinger, retired ski racing champion and triple Olympic gold medalist, was born in Datteln.