| ISO 639-3 | art-001 |
| nlo | |
| ISO 639-3 Reference Names | art-289 | Ngul |
| ISO 639-3 Print Names | art-290 | Ngul |
| ISO 639-3 Inverted Names | art-291 | Ngul |
| Ethnologue Primary Language Names | art-323 | Ngul |
| Glottolog Languoid Names | art-326 | Ngul |
| Glottocode | art-327 | ngul1247 |
| Glottolog Primary Key | art-328 | 29935 |
| Ethnologue Language Names | art-330 | Ingul |
| Ethnologue Language Names | art-330 | Ngoli |
| Ethnologue Language Names | art-330 | Ngul |
| Ethnologue Language Names | art-330 | Nguli |
| Ethnologue Language Names | art-330 | Ngulu |
| English | eng-000 | Ngul |