Cognomen แก้วพิสุทธิ์ (แก้วพิสุทธิ์, Keawpisut 
) , all around the world, is an extremely rare surname. The last name แก้วพิสุทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Keawpisut | Thailand |