| ISO 639-3 | art-001 |
| ngp | |
| ISO 639-3 Reference Names | art-289 | Ngulu |
| ISO 639-3 Print Names | art-290 | Ngulu |
| ISO 639-3 Inverted Names | art-291 | Ngulu |
| Ethnologue Primary Language Names | art-323 | Ngulu |
| Glottolog Languoid Names | art-326 | Ngulu |
| Glottocode | art-327 | ngul1246 |
| Glottolog Primary Key | art-328 | 30662 |
| Ethnologue Language Names | art-330 | Geja |
| Ethnologue Language Names | art-330 | Kingulu |
| Ethnologue Language Names | art-330 | Ngulu |
| Ethnologue Language Names | art-330 | Nguru |
| Ethnologue Language Names | art-330 | Nguu |
| Ethnologue Language Names | art-330 | Wayomba |
| English | eng-000 | Ngulu |