Surname แก้วพวงคำ (แก้วพวงคำ, Kaewpoungkham 
, Keawpoungkum) , across the world, is an extremely rare cognomen. The last name แก้วพวงคำ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewpoungkham | Thailand |