Family name Stayko (Стайко 
, Stayko 
) , around the world, is quite a rare cognomen. The surname Stayko is habitual in Bulgaria, where it is quite a common surname, Ukraine, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Bulgaria, Ukraine, and Russia. Likewise, Stayko is the forename as well as the last name.