Family name Irnal (Irnal 
) , in the entire world, is a very rare last name. The cognomen Irnal is habitual in Indonesia, where it is a very rare surname, Philippines, and India, where it is an extremely rare surname. Also, Irnal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irnal | Brazil, India, Indonesia, Philippines |