Surname Rattanakansang (Rattanakansang 
) , around the world, is a very rare cognomen. The family name Rattanakansang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rattanakansang | Thailand |
Supannisa, Chadarat, and Phattaravadee