Cem Sultan (also spelled Djem or Jem) or Sultan Cem (December 22, 1459 – February 25, 1495, pronounced [ˈdʒem sulˈtaːn]; Ottoman Turkish: جم سلطان, romanized: Cem sulṭān; Turkish: Cem Sultan; French: Zizim), was a claimant to the Ottoman throne in the 15th century.
