Last name Sawangngam (Sawangngam 
) , in all the world, is a rare cognomen. The surname Sawangngam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Anon, Khatchaporn, Tharnwimon, Suthathip, Sasithorn, Worrapat, Natnicha, Thitipat, Jurairat, Chakkrit, Sutathip, Saowalak, Wilawan, Phakhin, Praphas, Bantita, Srichon, Suchada, Sukanda, Sairung, Prapas, Achira, Sophon, Marisa, Punsa, Suwit, Manop, Manus, Khotchaporn, and Khotchapron