Høje-Taastrup Municipality is a municipality in the Capital Region on the island of Zealand (Sjælland) in eastern Denmark. The municipality covers an area of 78 km2 (30 mi2), and has a total population of 55,258. It was formed by the 1970 Danish Municipal Reform, and its 1974 adjustment, by merging the parish municipalities of Høje Taastrup, Sengeløse, the Fløng part of Hvedstrup-Fløng and the Reerslev part of Reerslev-Vindinge. Since 1 January 2006 the mayor of the municipality has been Michael Ziegler, a member of the Conservative People's Party political party.

Zealand at 7,031 km2 is the largest and most populous island in Denmark proper. Zealand had a population of 2,319,705 on 1 January 2020, comprising 40% of the country's population.