Marienburg

Marienburg may be:

The historical German names of these places

Ordensburg Marienburg (Malbork Castle), the large brick castle built by the Teutonic Knights
- Malbork, Poland, site of the Ordensburg Marienburg, formerly Marienburg in Westpreußen and during World War II, Nazi Stalag XX-B (prisoner-of-war camp) for enlisted men
Alūksne, Latvia
Feldioara, Romania

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
Marienburg Castle, Leutesdorf, Germany, a small baroque castle in Rhineland-Palatinate.
Köln-Marienburg, a district of Rodenkirchen in the city of Cologne
Marienburg (Mosel), a former Augustinian monastery built near the ruins of a Roman fortress in Zell an der Mosel near Trier, Germany

Marienburg, Papua New Guinea - a town in the East Sepik province of Papua New Guinea