Family name Chanthasara (Chanthasara 
) , around the world, is a very rare cognomen. The surname Chanthasara is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanthasara | Thailand |
Amnual, Teerasak, Supakchaya, and Sitthipong