| Kaykhusraw III | |||||
|---|---|---|---|---|---|
| Sultan of Rum | |||||
| Reign | 1266–1284 | ||||
| Predecessor | Kilij Arslan IV | ||||
| Successor | Mesud II | ||||
| Born | c. 1259-1263 | ||||
| Died | 1284 (aged 20–25) | ||||
| Issue | Ghiyath ad-Din Mesud III Fatima Khatun | ||||
| |||||
| House | House of Seljuq | ||||
| Father | Kilij Arslan IV | ||||
Kaykhusraw III (Old Anatolian Turkish: كَیخُسرو سوم) or Ghiyāth ad-Dīn Kaykhusraw bin Qilij Arslān (Persian: غياث الدين كيخسرو بن قلج ارسلان; c. 1259-1263 – 1284) was between two and six years old when in 1265 he was named Seljuq Sultan of Rûm. He was the son of Kilij Arslan IV, the weak representative of the Seljuq line who was controlled by the Pervane, Mu’in al-Din Suleyman.