Last name พวงทองคำ (พวงทองคำ, Puongtongkum, Paungtongkum 
) , around the globe, is an extremely rare cognomen. The family name พวงทองคำ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Paungtongkum, Puangtongkam | Thailand |