| ISO 639-3 | art-001 |
| eyo | |
| ISO 639-3 Reference Names | art-289 | Keiyo |
| ISO 639-3 Print Names | art-290 | Keiyo |
| ISO 639-3 Inverted Names | art-291 | Keiyo |
| Ethnologue Primary Language Names | art-323 | Keiyo |
| Glottolog Languoid Names | art-326 | Keiyo |
| Glottocode | art-327 | keiy1238 |
| Glottolog Primary Key | art-328 | 23508 |
| Ethnologue Language Names | art-330 | Elgeyo |
| Ethnologue Language Names | art-330 | Keiyo |
| Ethnologue Language Names | art-330 | Keyo |
| English | eng-000 | Keiyo |