Cognomen Sirivej (สิริเวช 
, ศิริเวชช์ , Sirivej ) , in the entire world, is a very rare family name. The family name Sirivej is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Sirivej is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริเวชช์, สิริเวช, Sirivej, ศิริเวชช | Thailand |