Surname สิริยุทธ์ (สิริยุทธ์ 
) , throughout the world, is an extremely rare cognomen. The last name สิริยุทธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, สิริยุทธ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สิริยุทธ์ | Thailand |