Last name Irinka (Иринка 
, Irinka 
) , globally, is a rare surname. The surname Irinka is habitual in Bulgaria, where it is quite a rare surname, North Macedonia, and Georgia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Bulgaria, North Macedonia, and Russia. More frequently, Irinka is the forename as well as the last name.