Surname Piwngam (Piwngam 
) , throughout the world, is a rare last name. The cognomen Piwngam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Krit, Paphawarin, Sukontarat, Patcharida, Pattranee, Kittiporn, Kittiphop, Napaporn, Panjarat, Patsakorn, Kanyawee, Supisara, Supakron, Supakorn, Sasikarn, Nittaya, Namthip, Laksika, Porntip, Pakarnwit, Suparat, Munchai, Orawan, Narong, Tantip, Pratya, Sasina, Wisut, Nitis, Arisa, Phra Sittepong, and Rattanaporn