Surname Phui (Phui 
, ภูมี , ผุย ) , throughout the world, is quite a rare last name. The last name Phui is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, Malaysia, and Singapore, where it is a rare surname. In absolute terms, it is the most numerous in South-eastern Asia, particularly Thailand, Malaysia, and Indonesia. Much less frequently, Phui is the forename as well as the last name.