>
Family name Iron (Ain
, Iron
, Aen
) , in the world, is a common surname. The last name Iron is habitual in South-eastern Asia, particularly Brunei, where it is quite a common surname, Malaysia, and Singapore, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and Pakistan. Likewise, Iron is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ain, Aen | Myanmar, Malaysia, India, Indonesia, Pakistan |
| Iron | Brazil, Myanmar, Malaysia, India, Indonesia |
| Железный | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |