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