Last name แก้วทรัพย์ศักดิ์ (แก้วทรัพย์ศักดิ์, Kaewsubsak 
) , throughout the world, is an extremely rare cognomen. The last name แก้วทรัพย์ศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewsubsak | Thailand |