Back ايون جى. دوكا ARZ Ion Duca Czech Ion Duca Danish Ion Duca German Ion G. Duca English Ion G. Duca Spanish Ion Duca Estonian Ion Duca Finnish Ion Duca French יון ג. דוקה HE
Ion Gheorghe Duca (Boekarest, 20 december 1879 - Sinaia, 29 of 30 december 1933) was een Roemeens politicus.