Surname Rahiyan (Rahiyan 
) , in the entire world, is a very rare last name. The cognomen Rahiyan is habitual in Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Rahiyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rahiyan | Bangladesh, Philippines, India, Indonesia, United States |