Halil, also known as Alaeddin Halil, was a bey of Karaman Beylik, a Turkoman principality in Anatolia in the 14th century.

His father was Mahmut Bey. He succeeded his elder brothers Musa and İbrahim in 1332. He wasn't active in military campaigns. But he commissioned some mosques and other social buildings in Ermenek during his reign. He died in 1340.^[1]