Family name Irou (Irou 
) , in the entire world, is a rare last name. The family name Irou is habitual in Algeria, where it is a rare surname, Morocco, and Malaysia, where it is an extremely rare surname. In absolute terms, it is commonest in Algeria, Morocco, and Nigeria. Very seldom, Irou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irou | Morocco, Algeria, Malaysia, Nigeria, France |