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