| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1072 | |
| ISO 639-3 | art-001 | lez |
| Glottolog Languoid Names | art-326 | Lezgian |
| Glottocode | art-327 | lezg1247 |
| Glottolog Primary Key | art-328 | 35957 |
| English | eng-000 | Lezgian |
| français | fra-000 | lezghien |
| español | spa-000 | lezguio |