| ISO 639-3 | art-001 |
| nsx | |
| ISO 639-3 Reference Names | art-289 | Nsongo |
| ISO 639-3 Print Names | art-290 | Nsongo |
| ISO 639-3 Inverted Names | art-291 | Nsongo |
| Ethnologue Primary Language Names | art-323 | Songo |
| Glottolog Languoid Names | art-326 | Nsongo |
| Glottocode | art-327 | nson1238 |
| Glottolog Primary Key | art-328 | 30815 |
| Ethnologue Language Names | art-330 | Nsongo |
| Ethnologue Language Names | art-330 | Songo |
| Ethnologue Language Names | art-330 | Sungu |
| English | eng-000 | Nsongo |