Horn is a town in the Dutch province of Limburg. It is a part of the municipality of Leudal, and lies about 5 km northwest of Roermond.In 2001, Horn had 3485 inhabitants. The built-up area of the town was 1.09 km² and contained 1349 residences.Horn was a separate municipality until 1991, when it was merged with Haelen.Born in Horn Terry Van Gevelt - Economist, University of Cambridge Teunkie Van Der Sluijs - Theatre Director