Stephen is styled in various ways—Ungarorum rex ("king of the Hungarians"), Pannoniorum rex ("king of the Pannonians") or Hungarie rex ("king of Hungary")—in his charters.
István digelari dalam berbagai cara — Ungarorum rex ("raja Hongaria"), Pannoniorum rex ("raja Panonia") atau Hungarie rex ("raja Hongaria") — dalam piagam-piagamnya.