Surname ศิริยงค์ณุกูร (ศิริยงค์ณุกูร 
) , in the world, is an extremely rare family name. The surname ศิริยงค์ณุกูร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิริยงค์ณุกูร | Thailand |