Cognomen Thongpha (Thongpha 
) , in the world, is a rare last name. The surname Thongpha is habitual in Thailand, where it is a rare surname, and Norway, where it is a very rare surname. Much less frequently, Thongpha is the forename as well as the last name.
Onuma, Thitichaya, Rattanasak, Phra Saichol, Chaninthon, Teerapong, Thanyalak, Ratchapol, Phongkrit, Chadaporn, Chanathip, Thongsai, Boonkriang, Chawanun, Suchanan, Yurawat, Woranon, Warinda, Ananya, Orapan, Onpreya, Wanida, Saravut, Saichol, Natthaporn, Siammin, Sulitta, Adisorn, Chutima, Kawinna, Jutatip, Tanyong, Sukanya, and Phacharaphong