| Glottolog Languoid Names | art-326 |
| Chuvash | |
| ISO 639-3 | art-001 | chv |
| Glottocode | art-327 | chuv1255 |
| Glottolog Primary Key | art-328 | 23911 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 338 |
| English | eng-000 | Chuvash |
| français | fra-000 | tchouvache |
| español | spa-000 | chuvacho |