Surname Chaiyapruknukul (Chaiyapruknukul 
) , across the world, is an extremely rare family name. The family name Chaiyapruknukul is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaiyapruknukul | Thailand |
Siriwasa, and Radchadawan