Cognomen คำปิ่นแก้ว (คำปิ่นแก้ว, Khampinkaew 
) , in the entire world, is an extremely rare surname. The surname คำปิ่นแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khampinkaew | Thailand |