Last name สิทธิวิรขจร (สิทธิวิรขจร 
) , throughout the world, is a very rare surname. The family name สิทธิวิรขจร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สิทธิวิรขจร | Thailand |