Last name แก้วพลกรัง (แก้วพลกรัง, Kaewponkrang 
) , all over the world, is a very rare family name. The family name แก้วพลกรัง is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewponkrang | Thailand |