Cognomen Chantraurai (Chantraurai 
) , worldwide, is a very rare last name. The last name Chantraurai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chantraurai | Thailand |
Suang, Yanisa, Varatha, Phenphon, and Patcharinvadee