Cognomen Зовко (Zovko 
, Зовко 
) , globally, is quite a common surname. The last name Зовко is characteristic of Southern Europe, particularly Bosnia and Herzegovina, where it is a common surname, Croatia, where it is quite a common surname, and Serbia, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Bosnia and Herzegovina, Croatia, and the United States.