Throughout the world, Inggan (Inggan 
) is a rare epicene forename. The forename Inggan is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare gender-neutral name, and Philippines, where it is a very rare principally girly, but scarcely masculine name. Also, Inggan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Inggan | Malaysia, Indonesia, Philippines |