Family name ศิริชาญ (Sirichan 
, ศิริชาญ , Siricharn ) , globally, is quite a rare surname. The last name ศิริชาญ is characteristic of Thailand, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Likewise, ศิริชาญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirichan | Thailand, New Zealand, United States, India, Malaysia |
| ศิริชาญ, Siricharn | Thailand |