Cognomen เพชราวุธ (เพชราวุธ 
) , globally, is a very rare family name. The cognomen เพชราวุธ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, เพชราวุธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพชราวุธ | Thailand |