Cognomen Далас (Dallas 
, Далас 
) , globally, is a common surname. The last name Далас is habitual in Jamaica, where it is quite a common surname, Greece, and Belize, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Greece. Likewise, Далас is the forename as well as the last name.