Surname Влахос (Vlachos 
, Vlahos , Влахос 
) , in the entire world, is a common last name. The family name Влахос is habitual in Greece, where it is a common surname, Cyprus, where it is quite a common surname, and Australia, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Greece, the United States, and Australia.