Surname Chai-Ngam (Chai-Ngam 
) , around the world, is an extremely rare last name. The family name Chai-Ngam is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Parts of the name also exists independently as a last name Chai, and a last name Ngam.
| VARIANT | COUNTRY |
|---|---|
| Chai-Ngam | Thailand |
Asafa, Komsan, and Ritthikrai