Cognomen ศิริจารุกุล (ศิริจารุกุล 
, Sirijarukul 
) , in the entire world, is a rare family name. The surname ศิริจารุกุล is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิริจารุกุล | Thailand |
| Sirijarukul | United States, Thailand |