| Ethnologue Language Names | art-330 |
| Cahtúo | |
| ISO 639-3 | art-001 | ext |
| Ethnologue Language Names | art-330 | Barranquenho |
| Ethnologue Language Names | art-330 | Barranquian |
| Ethnologue Language Names | art-330 | Cahtúö |
| Ethnologue Language Names | art-330 | Ehtremeñu |
| Ethnologue Language Names | art-330 | Extremaduran |
| Ethnologue Language Names | art-330 | Extremeño |