Family name Tiemtanom (Tiemtanom 
) , worldwide, is a very rare surname. The last name Tiemtanom is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tiemtanom | Thailand |
Suwat, Ratanamala, Chatchawarn, and Rattanamala