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Last name Jittasiri (Jittasiri ) , in all the world, is a rare cognomen. The cognomen Jittasiri is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jittasiri | Thailand |
Kosin, Sukanya, Kanokon, Teeraphon, Kotchakorn, and Phonchanit