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