Across the world, Irau (Irau 
) is a very rare epicene first name. The forename Irau is habitual in Mexico, where it is a very rare male name, and India, where it is an extremely rare dominantly female, but seldom male name. More prevalently, Irau is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Irau | Papua New Guinea, Brazil, India, Mexico, United States |