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Surname Chaiyasu (Chaiyasu , ใจยะสุ
, ไชยะสุ
) , around the world, is a rare cognomen. The family name Chaiyasu is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ใจยะสุ, ไชยะสุ, Chaiyasu | Thailand |