Last name พฤกษ์ศิริวรรณ (พฤกษ์ศิริวรรณ 
) , all around the world, is a very rare family name. The cognomen พฤกษ์ศิริวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พฤกษ์ศิริวรรณ | Thailand |