Cognomen Khmash (خماش 
, Khmash) , across the world, is quite a rare surname. The cognomen Khmash is habitual in Western Asia, particularly Jordan, where it is quite a rare surname, Palestinian Territory, and Syria. Not in comparison with a country's population, it most frequently occurs in Western Asia, particularly Jordan, Saudi Arabia, and Syria. Much less frequently, Khmash is the forename as well as the last name.