Family name Кайат (Cayatte 
, Кайат 
) , in the world, is a rare surname. The surname Кайат is habitual in Luxembourg, where it is quite a rare surname, Portugal, where it is a rare surname, and Angola. Not in comparison with a country's population, it most frequently occurs in France, Angola, and Portugal. Much less frequently, Кайат is the forename as well as the last name.