Surname ไทยเพ็ชร (ไทยเพ็ชร 
) , in the entire world, is a very rare cognomen. The last name ไทยเพ็ชร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไทยเพ็ชร | Thailand |
พอพิศ, ธัชปภา, and สุทธิกัญญา