Koudum is a village in the northern Netherlands. It is located in Súdwest-Fryslân, Friesland. Nearby villages include Molkwerum to the west, Workum to the north and Hemelum to the south. The population of Koudum was 2,700 in 2019. The nearest train station is the Koudum-Molkwerum railway station. There is a restored windmill in the village, De Vlijt.