| ISO 639-3 Reference Names | art-289 | Ko |
| ISO 639-3 Print Names | art-290 | Ko |
| ISO 639-3 Inverted Names | art-291 | Ko |
| Ethnologue Primary Language Names | art-323 | Ko |
| Glottolog Languoid Names | art-326 | Ko |
| Glottocode | art-327 | kooo1244 |
| Glottolog Primary Key | art-328 | 29014 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 69 |
| Ethnologue Language Names | art-330 | Fungor |
| Ethnologue Language Names | art-330 | Fungur |
| Ethnologue Language Names | art-330 | Kau |
| Ethnologue Language Names | art-330 | Ko |
| Ethnologue Language Names | art-330 | Nyaro |
| English | eng-000 | Ko |
| français | fra-000 | ko |
| español | spa-000 | ko |
