Qutalmish (alternative spellings: Qutulmush, Kutalmish, Kutalmış) is the name of two different personalities in Turkish history, the first having lived in the 11th century and the second 12th century, each of whom had a son named Suleyman Shah, and whose descendants founded, respectively, the Sultanate of Rum and the Ottoman Empire.

Kutalmish is the son of Arslan Yabgu and a cousin of Tughril and plays a vital role in the conquests of the Seljuq Turks.

He supports a rebellion against Tughril and contests the succession to the throne with Alp Arslan.

According to the historian Ali ibn al-Athir, Kutalmish knew the sciences of the stars.

His son, Suleiman, is appointed Sultan of Rûm by Malik Shah I in 1073.