Cognomen สิริภัคฐากูร (สิริภัคฐากูร 
) , all over the world, is an extremely rare surname. The cognomen สิริภัคฐากูร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สิริภัคฐากูร | Thailand |