Cognomen Iyanan (Iyanan 
) , in all the world, is a very rare surname. The cognomen Iyanan is characteristic of Malaysia, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Very seldom, Iyanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iyanan | India, Malaysia, Nigeria |