Cognomen ทิฐิศานต์ศิริ (ทิฐิศานต์ศิริ 
) , all around the world, is a very rare family name. The cognomen ทิฐิศานต์ศิริ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทิฐิศานต์ศิริ | Thailand |