Cognomen ตาเพชรรัตน์ (ตาเพชรรัตน์ 
) , in all the world, is an extremely rare family name. The surname ตาเพชรรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ตาเพชรรัตน์ | Thailand |