| ISO 639-3 | art-001 |
| lgi | |
| ISO 639-3 Reference Names | art-289 | Lengilu |
| ISO 639-3 Print Names | art-290 | Lengilu |
| ISO 639-3 Inverted Names | art-291 | Lengilu |
| Ethnologue Primary Language Names | art-323 | Lengilu |
| Glottolog Languoid Names | art-326 | Lengilu |
| Glottocode | art-327 | leng1260 |
| Glottolog Primary Key | art-328 | 40479 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2266 |
| Ethnologue Language Names | art-330 | Lengilu |
| English | eng-000 | Lengilu |
| français | fra-000 | Lengilu |
| español | spa-000 | lengilu |