Marienburg

Marienburg may refer to:

Historical German names

 * Ordensburg Marienburg (Malbork Castle), the large brick castle built by the Teutonic Knights
 * Malbork, Poland, the site of the Ordensburg Marienburg, formerly Marienburg (Royal Prussia/Crown of the Kingdom of Poland 1466-1772)
 * Alūksne, Latvia
 * Feldioara, Romania

Germany

 * Marienburg Castle (Ostalbkreis), a castle in Niederalfingen near Aalen, Germany
 * Marienburg Castle (Hanover), a castle in Hanover district, residence of the Prince of Hanover
 * Marienburg Castle (Hildesheim), a castle in Hildesheim, Lower Saxony
 * Köln-Marienburg, a district of Rodenkirchen in the city of Cologne
 * A former castle and monastery on the River Moselle
 * Marienburg Airport (currently a park), an airport in Nuremberg before the construction of the Nuremberg Airport

Elsewhere

 * Marienburg, Papua New Guinea, a town in the East Sepik province
 * Marienburg, Suriname, a village and former sugar plantation

Fictional places

 * Marienburg (Warhammer), a fictional city in the Warhammer Fantasy world