Cognomen Olanyan (Olanyan 
) , in all the world, is a very rare last name. The surname Olanyan is characteristic of Nigeria, where it is a very rare surname, and Russia, where it is an extremely rare surname. Likewise, Olanyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olanyan | Nigeria, Russia, United States |