Cognomen Phongsaphak (Phongsaphak 
) , in the world, is an extremely rare family name. The family name Phongsaphak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Phongsaphak is the forename as well as the last name.
Munha, Janthachai, Luangthongnara, Bamrungrat, Jantasuwan, Phonwises, Kalakavang, Suksawang, Sittimart, Singkarawanich, Santimagorn, Tulaphorn, Tongpunja, Chanchoo, Nakkham, Puksisuwan, Payasom, Paksisuwan, Khonhan, Boonmak, Sapsueb, Unarak, Fongsa, Janchu, Chusuk, Obklin, Nittayarot, and Thongjaroen