Worldwide, Iwari (Iwari 
) is a rare gender-neutral forename. The first name Iwari is characteristic of Nigeria, where it is a very rare epicene name, and China, where it is an extremely rare male name. Very seldom, Iwari is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iwari | Japan, China, Indonesia, Nigeria, Democratic Republic of the Congo |