Surname รัตนไพศาลกิจ (รัตนไพศาลกิจ 
, Ratanaphaisankit , Rattanaphaisankit ) , worldwide, is a rare last name. The last name รัตนไพศาลกิจ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rattanaphaisarnkij, รัตนไพศาลกิจ, Rattanaphaisankit, Ratanaphaisankit | Thailand |