Last name دالاس (Dallas 
, Dalas , دالاس 
) , all over the world, is a common cognomen. The last name دالاس is characteristic of Jamaica, where it is quite a common surname, Greece, and Belize, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in the United States, Angola, and Algeria. Also, دالاس is the forename as well as the last name.