Marienwerder (disambiguation)

The German place name Marienwerder refers to:


 * Marienwerder, the German name of the city Kwidzyn, in northern Poland
 * Mareinwerder, the German name of the village Załęże, in northwestern Poland
 * Marienwerder (region), a former government region of Prussia
 * Marienwerder (district), a former district of Prussia
 * Marienwerder, Brandenburg, a community in the administrative district of Barnim, Germany
 * Part of the urban district Herrenhausen-Stöcken in the city of Hanover, Germany