Cognomen จำรูญวัฒน์ (จำรูญวัฒน์, Jamroonwat 
) , worldwide, is an extremely rare family name. The surname จำรูญวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jamroonwat | Thailand |