Surname Hamayoun (Hamayoun 
) , in the entire world, is quite a rare cognomen. The family name Hamayoun is characteristic of Pakistan, where it is a rare surname, Afghanistan, and United Arab Emirates. More prevalently, Hamayoun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hamayoun | United Arab Emirates, Afghanistan, Indonesia, Pakistan, Saudi Arabia |