Cognomen ﺍﻟﻠﻴﻞ (ﺍﻟﻠﻴﻞ 
) , globally, is quite a common surname. The surname ﺍﻟﻠﻴﻞ is characteristic of Syria, where it is quite a common surname, Libya, where it is quite a rare surname, and Sudan. Measured by absolute frequency, this name is the most popular in Syria, Egypt, and Sudan. Much less frequently, ﺍﻟﻠﻴﻞ is the forename as well as the last name.