| ISO 639-3 | art-001 |
| ndt | |
| ISO 639-3 Reference Names | art-289 | Ndunga |
| ISO 639-3 Print Names | art-290 | Ndunga |
| ISO 639-3 Inverted Names | art-291 | Ndunga |
| Ethnologue Primary Language Names | art-323 | Ndunga |
| Glottolog Languoid Names | art-326 | Ndunga |
| Glottocode | art-327 | ndun1249 |
| Glottolog Primary Key | art-328 | 32582 |
| Ethnologue Language Names | art-330 | Bondonga |
| Ethnologue Language Names | art-330 | Modunga |
| Ethnologue Language Names | art-330 | Mondugu |
| Ethnologue Language Names | art-330 | Mondunga |
| Ethnologue Language Names | art-330 | Ndunga |
| English | eng-000 | Ndunga |