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Family name Siriraj (ศิริราช , Siriraj
, ศิริรจน์
) , across the world, is a rare cognomen. The surname Siriraj is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, Siriraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริราช, ศิริรจน์ | Thailand |
| Siriraj | India, Thailand |
ศิริเคารพ, and ศิริเอกราช