Surname ห้าย (Hai 
, ห้าย) , across the world, is a widespread last name. The last name ห้าย is habitual in Malaysia, where it is quite a common surname, Macao, and Israel (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in China, Malaysia, and Vietnam. Likewise, ห้าย is the forename as well as the last name.