| ISO 639-3 | art-001 |
| koy | |
| ISO 639-3 Reference Names | art-289 | Koyukon |
| ISO 639-3 Print Names | art-290 | Koyukon |
| ISO 639-3 Inverted Names | art-291 | Koyukon |
| Ethnologue Primary Language Names | art-323 | Koyukon |
| Glottolog Languoid Names | art-326 | Koyukon |
| Glottocode | art-327 | koyu1237 |
| Glottolog Primary Key | art-328 | 44858 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 154 |
| Ethnologue Language Names | art-330 | Central Koyukon |
| Ethnologue Language Names | art-330 | Central Koyukuk River |
| Ethnologue Language Names | art-330 | Koyukon |
| Ethnologue Language Names | art-330 | Lower Koyukon |
| Ethnologue Language Names | art-330 | Ten’a |
| Ethnologue Language Names | art-330 | Upper Koyukon |
| English | eng-000 | Koyukon |
| français | fra-000 | koyukon |
| español | spa-000 | koyuko |