Surname อ้าย (Ai 
, Hey 
, อ้าย) , worldwide, is a widespread family name. The last name อ้าย is characteristic of Malaysia, where it is quite a common surname, Macao, and China (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, Malaysia, and Indonesia. Also, อ้าย is the forename as well as the last name.