Surname Waiy (ไหว 
, ไวย , Waiy 
) , in the entire world, is a rare cognomen. The family name Waiy is habitual in Taiwan, where it is a rare surname, Malaysia, and Peru, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Taiwan, Malaysia, and the United States. More frequently, Waiy is the forename as well as the last name.