Last name Kerdtaem (Kerdtaem 
) , around the globe, is a very rare family name. The last name Kerdtaem is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kerdtaem | Thailand |
Benjawa, Ratchanee, and Natthakorn