Cognomen บุณยศิริวงศ์ (บุณยศิริวงศ์ 
) , throughout the world, is a very rare last name. The last name บุณยศิริวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| บุณยศิริวงศ์ | Thailand |