Family name Phengphon (Phengphon 
) , all over the world, is a very rare cognomen. The last name Phengphon is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
Bunta, Penpan, Wanida, Phoenjit, Phokham, Prasopchai, Phornthip, and Khajornsak