Last name Krkab (كركاب 
, Krkab ) , across the world, is quite a rare family name. The last name Krkab is characteristic of Sudan, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Morocco, where it is a very rare surname. Measured by absolute frequency, the name is most common in Sudan, Saudi Arabia, and Egypt. Much less frequently, Krkab is the forename as well as the last name.