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