Last name สุวัฒน์พิศาลกิจ (สุวัฒน์พิศาลกิจ 
) , globally, is a very rare family name. The surname สุวัฒน์พิศาลกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุวัฒน์พิศาลกิจ | Thailand |