| ISO 639-3 | art-001 |
| koh | |
| ISO 639-3 Reference Names | art-289 | Koyo |
| ISO 639-3 Print Names | art-290 | Koyo |
| ISO 639-3 Inverted Names | art-291 | Koyo |
| Ethnologue Primary Language Names | art-323 | Koyo |
| Glottolog Languoid Names | art-326 | Koyo |
| Glottocode | art-327 | koyo1242 |
| Glottolog Primary Key | art-328 | 29715 |
| Ethnologue Language Names | art-330 | Ekoyo |
| Ethnologue Language Names | art-330 | Kouyou |
| Ethnologue Language Names | art-330 | Koyo |
| English | eng-000 | Koyo |