| ISO 639-3 | art-001 |
| lil | |
| ISO 639-3 Reference Names | art-289 | Lillooet |
| ISO 639-3 Print Names | art-290 | Lillooet |
| ISO 639-3 Inverted Names | art-291 | Lillooet |
| Ethnologue Primary Language Names | art-323 | Lillooet |
| Glottolog Languoid Names | art-326 | Lillooet |
| Glottocode | art-327 | lill1248 |
| Glottolog Primary Key | art-328 | 24571 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 138 |
| Ethnologue Language Names | art-330 | Lillooet |
| Ethnologue Language Names | art-330 | Lower Lillooet |
| Ethnologue Language Names | art-330 | St’at’imcets |
| Ethnologue Language Names | art-330 | Upper Lillooet |
| English | eng-000 | Lillooet |
| français | fra-000 | lillooet |
| St’át’imcets | lil-000 | Sƛ’aƛ’imxǝc |
| español | spa-000 | liluet |