Surname Zmank (زمانك 
, Zmank ) , in the entire world, is quite a rare family name. The cognomen Zmank is habitual in Sudan, where it is quite a rare surname, Saudi Arabia, and Oman, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Sudan, Saudi Arabia, and Egypt. Very seldom, Zmank is the forename as well as the last name.