| ISO 639-3 | art-001 |
| ext | |
| ISO 639-3 Reference Names | art-289 | Extremaduran |
| ISO 639-3 Print Names | art-290 | Extremaduran |
| ISO 639-3 Inverted Names | art-291 | Extremaduran |
| Ethnologue Primary Language Names | art-323 | Extremaduran |
| Glottolog Languoid Names | art-326 | Extremaduran |
| Glottocode | art-327 | extr1243 |
| Glottolog Primary Key | art-328 | 38778 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 332 |
| Ethnologue Language Names | art-330 | Artu Ehtremeñu |
| Ethnologue Language Names | art-330 | Bahu Ehtremeñu |
| Ethnologue Language Names | art-330 | Barranquenho |
| Ethnologue Language Names | art-330 | Barranquian |
| Ethnologue Language Names | art-330 | Cahtúo |
| Ethnologue Language Names | art-330 | Cahtúö |
| Ethnologue Language Names | art-330 | Central Extremaduran |
| Ethnologue Language Names | art-330 | Ehtremeñu |
| Ethnologue Language Names | art-330 | Extremaduran |
| Ethnologue Language Names | art-330 | Extremeño |
| Ethnologue Language Names | art-330 | Meyu Ehtremeñu |
| Ethnologue Language Names | art-330 | Northern Extremaduran |
| Ethnologue Language Names | art-330 | Southern Extremaduran |
| 普通话 | cmn-000 | 埃斯特雷马杜拉语 |
| English | eng-000 | Asturian-Leonese |
| English | eng-000 | Extremaduran |
| français | fra-000 | asturien-léonais |
| français | fra-000 | estrémègne |
| español | spa-000 | astur-leonés |
| español | spa-000 | extremeño |