| ISO 639-3 Reference Names | art-289 | Fwâi |
| ISO 639-3 Print Names | art-290 | Fwâi |
| ISO 639-3 Inverted Names | art-291 | Fwâi |
| Ethnologue Primary Language Names | art-323 | Fwâi |
| Glottolog Languoid Names | art-326 | Fwâi |
| Glottocode | art-327 | fwai1237 |
| Glottolog Primary Key | art-328 | 41163 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2493 |
| Ethnologue Language Names | art-330 | Fwâi |
| Ethnologue Language Names | art-330 | Poai |
| Ethnologue Language Names | art-330 | Yehen |
| Ethnologue Language Names | art-330 | Yengen |
| English | eng-000 | Fwâi |
| français | fra-000 | fwâi |
| español | spa-000 | fwâi |
