Surname Chaohongsa (Chaohongsa 
) , in the entire world, is a very rare cognomen. The cognomen Chaohongsa is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaohongsa | Thailand |
Rewat, Mariwan, Phuwasit, Maythaporn, and Phanprapa