Ålkær is a village in Haderslev Municipality, in the region of Southern Denmark, Denmark. Ålkær lies at 34 m above sea level. The nearest city is Haderslev, 23 km to the east. Among the landmarks around are Ribe Cathedral (24 km), Riberhus (24 km) and Vejen Art Museum (24 km). Among the natural features are Knivsbjerg (25 km).