Cognomen סטויאנוב (Stoyanov 
, סטויאנוב 
, Sztojanov 
) , globally, is a common family name. The family name סטויאנוב is habitual in Bulgaria, where it is a widespread surname, Greece, where it is quite a rare surname, and Cyprus. Not in comparison with a country's population, this name is the most popular in Bulgaria, Greece, and the United States.