Surname Phio (ผิว 
, Phio 
, พิว ) , around the world, is a rare cognomen. The last name Phio is characteristic of South-eastern Asia, particularly Myanmar, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in South-eastern Asia, particularly Indonesia, Myanmar, and Thailand. More prevalently, Phio is the forename as well as the last name.