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 St. George's Castle, Preveza, Greece Castle of Saint George, on Mount Pindo
See also Saint George (disambiguation) Fort St. George (disambiguation) St George's Chapel, Windsor Castle Elmina Castle, the Castelo de São Jorge da Mina ('Castle of St. George of the Mine'), Elmina, Ghana