Iller is a village in Silkeborg Municipality, in the region of Central Denmark, Denmark. Iller lies at 63 m above sea level. The nearest city is Silkeborg, 13.5 km to the south. Among the landmarks around are Viborg Cathedral (21 km), Museum Jorn (14.5 km) and Fyrkat (39 km). Among the natural features are Himmelbjerget (21 km) and Store Hørbyhøj (22 km).