Siege of Marienburg (or Siege of Malbork) may refer to:
Siege of Marienburg (1410), unsuccessful siege by Polish-Lithuanian forces during the Polish–Lithuanian–Teutonic War Battle of Marienburg (1422), victory of Moldavian forces during the Golub War Siege of Malbork (1454), unsuccessful siege by Prussian Confederation-Jagiellonian forces during the Thirteen Years' War Siege of Marienburg (1457), unsuccessful siege by the Teutonic Order to recapture the city from the Kingdom of Poland Sieges of Marienburg (1657), two Russian sieges of Marienburg in Livonia