| ISO 639-3 | art-001 |
| kzu | |
| ISO 639-3 Reference Names | art-289 | Kayupulau |
| ISO 639-3 Print Names | art-290 | Kayupulau |
| ISO 639-3 Inverted Names | art-291 | Kayupulau |
| Ethnologue Primary Language Names | art-323 | Kayupulau |
| Glottolog Languoid Names | art-326 | Kayupulau |
| Glottocode | art-327 | kayu1243 |
| Glottolog Primary Key | art-328 | 42342 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2540 |
| Ethnologue Language Names | art-330 | Kajupulau |
| Ethnologue Language Names | art-330 | Kayupulau |
| Deutsch | deu-000 | Kayupulau |
| English | eng-000 | Kayupulau |
| français | fra-000 | kayupulau |
| español | spa-000 | kayapulau |