| English | eng-000 |
| Ndunda | |
| ISO 639-3 | art-001 | nuh |
| ISO 639-PanLex | art-274 | nuh-000 |
| ISO 639-3 Inverted Names | art-291 | Ndunda |
| Glottolog Languoid Names | art-326 | Ndunda |
| Glottocode | art-327 | ndun1251 |
| Glottolog Primary Key | art-328 | 29422 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1392 |
| français | fra-000 | ndunda |
| español | spa-000 | ndunda |