Family name ถมเพชร (ถมเพชร 
) , across the world, is a very rare cognomen. The surname ถมเพชร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ถมเพชร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ถมเพชร | Thailand |