Surname Хай (Hai 
, Haj , Hy ) , in the world, is a widespread cognomen. The family name Хай is characteristic of Malaysia, where it is quite a common surname, Brunei, and Lebanon (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in China, Malaysia, and Vietnam. Also, Хай is the forename as well as the last name.