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Family name Siangsanor (Siangsanor ) , globally, is a very rare last name. The cognomen Siangsanor is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Siangsanor | Thailand |
Panom, Poonigar, Pathitta, Thatcharee, Channarong, Poramaporn, Natthawoot, and Rattanachai