Cognomen ستويان (Stoyan 
, Stojan 
, Stoian ) , across the world, is a common last name. The surname ستويان is habitual in North Macedonia, where it is a common surname, Romania, and Slovenia, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Romania, North Macedonia, and Spain. Also, ستويان is the forename as well as the last name.