Cognomen ศิริพจน์โศภณ (ศิริพจน์โศภณ 
) , in all the world, is a very rare last name. The cognomen ศิริพจน์โศภณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิริพจน์โศภณ | Thailand |