Landen is a municipality located in the Belgian province of Flemish Brabant. The municipality comprises the city of Landen proper and the towns of Attenhoven, Eliksem, Ezemaal, Laar, Neerlanden, Neerwinden, Overwinden, Rumsdorp, Waasmont, Walsbets, Walshoutem, Wange and Wezeren. On January 1, 2006 Landen had a total population of 14,682. The total area is 54.05 km² which gives a population density of 272 inhabitants per km².
It is the birthplace of Pippin of Landen.