Cognomen Prommanuwat Lertpoon (Prommanuwat Lertpoon 
) , in the entire world, is an extremely rare last name. The family name Prommanuwat Lertpoon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prommanuwat Lertpoon | Thailand |