Family name Klanprasom (Klanprasom 
) , in the world, is a very rare last name. The family name Klanprasom is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klanprasom | Thailand |
Sombat, Supraewpan, and Pharuehat