Family name Гаиаз (Gayaz 
, Гаиаз , Gaiaz 
) , in the entire world, is a rare surname. The family name Гаиаз is habitual in Kuwait, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and Portugal. Not in comparison with a country's population, it is the most numerous in India, Pakistan, and Saudi Arabia. More frequently, Гаиаз is the forename as well as the last name.