Cognomen Giunai (Giunai 
, Гюнай 
, Гиунаи ) , in all the world, is a rare surname. The family name Giunai is characteristic of Georgia, where it is quite a common surname, Bulgaria, where it is a rare surname, and Kyrgyzstan. In absolute terms, the name is most common in Georgia, Russia, and Bulgaria. More prevalently, Giunai is the forename as well as the last name.