| English | eng-000 |
| Karko | |
| ISO 639-3 | art-001 | kko |
| ISO 639-3 Inverted Names | art-291 | Karko |
| Glottolog Languoid Names | art-326 | Karko |
| Glottocode | art-327 | kark1256 |
| Glottolog Primary Key | art-328 | 29046 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 71 |
| Deutsch | deu-000 | Karko |
| français | fra-000 | karko |
| español | spa-000 | karko |