Cognomen Иахиа (Iahia 
, Iaxia 
, Иахиа 
) , around the world, is a very rare family name. The surname Иахиа is habitual in Georgia, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Georgia, Bulgaria, and China. More prevalently, Иахиа is the forename as well as the last name.