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Around the world, Sirijun (สิริจันทร์ , Sirijun
) is a rare mostly feminine, but uncommonly boy's first name. The forename Sirijun is habitual in South-eastern Asia, particularly Thailand, where it is a rare largely female, but infrequently male name. Very seldom, Sirijun is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สิริจันทร์ | Thailand |
| Sirijun | United States, India, Thailand |