| ISO 639-3 Reference Names | art-289 | Kija |
| ISO 639-3 Print Names | art-290 | Kija |
| ISO 639-3 Inverted Names | art-291 | Kija |
| ISO 639-3 Inverted Names | art-291 | Kitja |
| Ethnologue Primary Language Names | art-323 | Kitja |
| Glottolog Languoid Names | art-326 | Kitja |
| Glottocode | art-327 | kitj1240 |
| Glottolog Primary Key | art-328 | 34269 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 196 |
| Ethnologue Language Names | art-330 | Gidja |
| Ethnologue Language Names | art-330 | Kidja |
| Ethnologue Language Names | art-330 | Kija |
| Ethnologue Language Names | art-330 | Kitja |
| English | eng-000 | Kija |
| English | eng-000 | Kitja |
| français | fra-000 | kitja |
| español | spa-000 | kitja |
