Around the globe, สิญาธร (สิญาธร 
) is a very rare dominantly girly, but infrequently male first name. The forename สิญาธร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly girly, but seldom boy's name.
| VARIANT | COUNTRY |
|---|---|
| สิญาธร | Thailand |