Cognomen กุลวัชรเมธา (กุลวัชรเมธา 
) , in the entire world, is an extremely rare last name. The cognomen กุลวัชรเมธา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กุลวัชรเมธา | Thailand |