| ISO 639-3 Reference Names | art-289 | Yei |
| ISO 639-3 Print Names | art-290 | Yei |
| ISO 639-3 Inverted Names | art-291 | Yei |
| Ethnologue Primary Language Names | art-323 | Yei |
| Glottolog Languoid Names | art-326 | Yei |
| Glottocode | art-327 | yeii1239 |
| Glottolog Primary Key | art-328 | 36211 |
| Ethnologue Language Names | art-330 | Je |
| Ethnologue Language Names | art-330 | Jei |
| Ethnologue Language Names | art-330 | Lower Yei |
| Ethnologue Language Names | art-330 | Upper Yei |
| Ethnologue Language Names | art-330 | Yei |
| Ethnologue Language Names | art-330 | Yei-Nan |
| Ethnologue Language Names | art-330 | Yey |
| English | eng-000 | Yei |
