Last name ﻛﻴﻒ (ﻛﻴﻒ 
) , globally, is a rare cognomen. The family name ﻛﻴﻒ is characteristic of Sudan, where it is quite a rare surname, and Yemen, where it is a very rare surname. Much less frequently, ﻛﻴﻒ is the forename as well as the last name.