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