| ISO 639-3 Reference Names | art-289 | Lepcha |
| ISO 639-3 Print Names | art-290 | Lepcha |
| ISO 639-3 Inverted Names | art-291 | Lepcha |
| Ethnologue Primary Language Names | art-323 | Lepcha |
| Glottolog Languoid Names | art-326 | Lepcha |
| Glottocode | art-327 | lepc1244 |
| Glottolog Primary Key | art-328 | 27947 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 440 |
| Ethnologue Language Names | art-330 | Ilammu |
| Ethnologue Language Names | art-330 | Lapcha |
| Ethnologue Language Names | art-330 | Lapche |
| Ethnologue Language Names | art-330 | Lepcha |
| Ethnologue Language Names | art-330 | Nünpa |
| Ethnologue Language Names | art-330 | Rengjongmu |
| Ethnologue Language Names | art-330 | Rong |
| Ethnologue Language Names | art-330 | Rongke |
| Ethnologue Language Names | art-330 | Rongpa |
| Ethnologue Language Names | art-330 | Tamsangmu |
| 普通话 | cmn-000 | 雷布查语 |
| English | eng-000 | Lepcha |
| français | fra-000 | lepcha |
| español | spa-000 | lepcha |
