Last name บุณยศิริโรจน์ (บุณยศิริโรจน์ 
) , across the world, is a very rare cognomen. The last name บุณยศิริโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| บุณยศิริโรจน์ | Thailand |