Surname แพงสุวรรณ (แพงสุวรรณ 
, Paungsuwan , Paengsuwan ) , in the entire world, is a very rare cognomen. The surname แพงสุวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Paengsuwan, แพงสุวรรณ, Paungsuwan | Thailand |