Cognomen คลาร์ก (Khla 
, คลาร์ก 
) , worldwide, is a rare surname. The last name คลาร์ก is habitual in Libya, where it is a rare surname, Syria, and Tunisia. Measured by absolute frequency, it is commonest in Egypt, Myanmar, and Syria. Very seldom, คลาร์ก is the forename as well as the last name.