Cognomen Ratsadapet (Ratsadapet 
) , in the entire world, is a very rare last name. The surname Ratsadapet is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratsadapet | Thailand |
Kunya, Pallop, Itsariya, and Kamonchanok