| ISO 639-3 | art-001 |
| noq | |
| ISO 639-3 Reference Names | art-289 | Ngongo |
| ISO 639-3 Print Names | art-290 | Ngongo |
| ISO 639-3 Inverted Names | art-291 | Ngongo |
| Ethnologue Primary Language Names | art-323 | Ngongo |
| Glottolog Languoid Names | art-326 | Ngongo (Democratic Republic of Congo) |
| Glottocode | art-327 | ngon1267 |
| Glottolog Primary Key | art-328 | 30824 |
| Ethnologue Language Names | art-330 | Ngongo |
| English | eng-000 | Ngongo |