Family name Irahan (Irahan 
) , in the entire world, is a very rare cognomen. The surname Irahan is characteristic of Philippines, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Mexico. In absolute terms, it most frequently occurs in India, Philippines, and Mexico. More prevalently, Irahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irahan | Colombia, Philippines, India, Mexico, Turkey |