| English | eng-000 |
| Nauna | |
| ISO 639-3 | art-001 | ncn |
| ISO 639-PanLex | art-274 | ncn-000 |
| ISO 639-3 Inverted Names | art-291 | Nauna |
| Glottolog Languoid Names | art-326 | Nauna |
| Glottocode | art-327 | naun1237 |
| Glottolog Primary Key | art-328 | 41673 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2693 |
| français | fra-000 | nauna |
| Nauna | ncn-000 | Nauna |
| español | spa-000 | nauna |