St George's Castle

St George's Castle, or variants, may refer to:


 * Castello di San Giorgio, Mantua, part of the Ducal palace, Mantua, Lombardy, Italy
 * São Jorge Castle, Lisbon, Portugal
 * Castle of San Jorge, Seville, Spain
 * Castle of Saint George, Cephalonia, Greece
 * Siege of the Castle of Saint George
 * St. George's Castle, Preveza, Greece
 * Castle of Saint George, on Mount Pindo