Cognomen Thamprasom (Thamprasom 
) , in the world, is a very rare family name. The surname Thamprasom is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thamprasom | Thailand |
Perapat, Pongthep, Nuttiwan, and Chananchida