Surname โรจน์สิริโสภณ (โรจน์สิริโสภณ 
) , worldwide, is an extremely rare last name. The surname โรจน์สิริโสภณ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| โรจน์สิริโสภณ | Thailand |