| Glottocode | art-327 |
| basq1248 | |
| ISO 639-3 | art-001 | eus |
| Glottolog Languoid Names | art-326 | Basque |
| Glottolog Primary Key | art-328 | 23897 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 415 |
| English | eng-000 | Basque |
| français | fra-000 | basque |
| español | spa-000 | euskera |