Last name Стоїлов (Stoilov 
, Стоїлов 
) , globally, is quite a common family name. The surname Стоїлов is habitual in Bulgaria, where it is a common surname, North Macedonia, where it is quite a common surname, and Austria, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Bulgaria, North Macedonia, and Afghanistan. Much less frequently, Стоїлов is the forename as well as the last name.