Cognomen รุกขไชยศิริกุล (รุกขไชยศิริกุล 
) , all around the world, is an extremely rare last name. The cognomen รุกขไชยศิริกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รุกขไชยศิริกุล | Thailand |