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Last name Ausajai (Ausajai ) , around the world, is a very rare cognomen. The cognomen Ausajai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ausajai | Thailand |
Sorn, Arawan, Lamyai, Supapit, and Padiwaratda