Surname Thanmapiraksa (Thanmapiraksa 
) , in the world, is a very rare cognomen. The cognomen Thanmapiraksa is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thanmapiraksa | Thailand |
Parameth, Vashiravarin, and Chaiyavarin