Family name Rattanadaeng (Rattanadaeng 
) , all over the world, is a very rare last name. The cognomen Rattanadaeng is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rattanadaeng | Thailand |
Awassaya, Astsadawut, and Chiraphat