Family name Хаи (Hai 
, Khai , Xai 
) , in all the world, is a widespread last name. The cognomen Хаи is characteristic of Malaysia, where it is a common surname, Macao, where it is quite a common surname, and Israel (explore the name in all countries). In absolute terms, this name is the most popular in China, Malaysia, and Vietnam. Also, Хаи is the forename as well as the last name.