Surname ราชถาวร (Rachatawon 
, ราชถาวร , Ratchathavorn ) , across the world, is a very rare last name. The family name ราชถาวร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ราชถาวร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rachatawon, Ratchatavorn, Ratchathavorn, ราชถาวร | Thailand |