| ISO 639-3 | art-001 |
| nef | |
| ISO 639-3 Reference Names | art-289 | Nefamese |
| ISO 639-3 Print Names | art-290 | Nefamese |
| ISO 639-3 Inverted Names | art-291 | Nefamese |
| Ethnologue Primary Language Names | art-323 | Nefamese |
| Glottolog Languoid Names | art-326 | Nefamese |
| Glottocode | art-327 | nefa1235 |
| Glottolog Primary Key | art-328 | 34046 |
| Ethnologue Language Names | art-330 | Arunamese |
| Ethnologue Language Names | art-330 | Nefamese |
| English | eng-000 | Nefamese |