>
Family name Chaiyawas (Chaiyawas , ไชยวาส
) , worldwide, is a rare surname. The surname Chaiyawas is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไชยวาส, Chaiyawas | Thailand |
Chumnian, Jaruthus, Sirikanjana, and Sirikanchana