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Kilij Arslan IV (Old Anatolian Turkish: قِلِج اَرسلان, Persian: رکن الدین قلج ارسلان بن کیخسرو‎ Rukn ad-Dīn Qilij Arslān bin Kaykhusraw) was Seljuq Sultan of Rûm after the death of his father Kaykhusraw II in 1246. For part of his tenure as sultan he ruled with his two brothers Kaykaus II and Kayqubad II. He was executed in 1266 by the Pervane Mu‘in al-Din Suleyman.

Sources

• Claude Cahen, Pre-Ottoman Turkey: a general survey of the material and spiritual culture and history, trans. J. Jones-Williams, (New York: Taplinger, 1968) 271 ff.