Last name קוסטאס (Kostas 
, קוסטאס 
) , worldwide, is quite a common family name. The last name קוסטאס is characteristic of Greece, where it is quite a common surname, Cyprus, where it is quite a rare surname, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, it is commonest in Greece, the United States, and Australia. More prevalently, קוסטאס is the forename as well as the last name.