Family name ศิริโรจนวงศา (ศิริโรจนวงศา 
, Sirirochanawongsa ) , around the globe, is a very rare last name. The surname ศิริโรจนวงศา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sirirochanawongsa, ศิริโรจนวงศา | Thailand |