Family name Vinokourov (Винокуров 
, Vinokourov 
, וינוקורוב ) , globally, is a common last name. The family name Vinokourov is characteristic of Russia, where it is quite a common surname, Belarus, and Kazakhstan, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Russia, Ukraine, and Belarus.