Cognomen Ibahan (Ibahan 
) , across the world, is a rare surname. The surname Ibahan is habitual in Philippines, where it is a rare surname, India, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Also, Ibahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ibahan | Malaysia, Philippines, Mexico, Nigeria, India |