Surname Piy (Piy 
, ปิย 
, อภิญ ) , around the globe, is quite a rare cognomen. The cognomen Piy is characteristic of Malaysia, where it is quite a rare surname, Myanmar, where it is a rare surname, and Guatemala. In absolute terms, it is the most numerous in South-eastern Asia, particularly Malaysia, Myanmar, and Thailand. Much less frequently, Piy is the forename as well as the last name.