Cognomen Alab (Alab 
, الاب 
, الأب 
) , all around the world, is quite a rare family name. The last name Alab is characteristic of Sudan, where it is quite a rare surname, Libya, and Philippines. Not in comparison with a country's population, it is the most numerous in Philippines, Sudan, and Egypt. Very seldom, Alab is the forename as well as the last name.