Zedelgem is a municipality in the Belgian province of West Flanders, in the Flanders region. It comprises the villages of Aartrijke, Loppem, Veldegem and Zedelgem proper.
The municipality covers a total area of 60.34 km² (23.30 sq mi). On January 1, 2019, Zedelgem had a total population of 22,813, giving a population density of 378 inhabitants per km² (980/sq mi).