Cognomen นพไพศาลศิริ (นพไพศาลศิริ 
, Nopphaisalsiri ) , around the world, is a very rare last name. The last name นพไพศาลศิริ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| นพไพศาลศิริ, Nopphaisalsiri | Thailand |