Last name รัตนโสทรภาส (รัตนโสทรภาส 
) , in the entire world, is an extremely rare cognomen. The surname รัตนโสทรภาส is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนโสทรภาส | Thailand |