Surname ขวัญศิริโรจน์ (ขวัญศิริโรจน์ 
) , throughout the world, is a very rare family name. The surname ขวัญศิริโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขวัญศิริโรจน์ | Thailand |