Surname Rahnia (Rahnia 
) , in all the world, is a very rare family name. The surname Rahnia is characteristic of Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Rahnia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rahnia | France, India, Algeria, United States, Indonesia |