Family name Mrtah (مرتاح 
, Mrtah 
) , worldwide, is a common cognomen. The cognomen Mrtah is habitual in Egypt, where it is quite a common surname, Libya, where it is quite a rare surname, and Kuwait. Not in comparison with a country's population, it is the most numerous in Egypt, Saudi Arabia, and Iraq. Much less frequently, Mrtah is the forename as well as the last name.