Surname แก้วประพาฬ (แก้วประพาฬ, Kaewpaprab 
) , across the world, is an extremely rare last name. The surname แก้วประพาฬ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewpaprab | Thailand |