| ISO 639-3 | art-001 |
| mzh | |
| ISO 639-3 Reference Names | art-289 | Wichí Lhamtés Güisnay |
| ISO 639-3 Print Names | art-290 | Wichí Lhamtés Güisnay |
| ISO 639-3 Inverted Names | art-291 | Wichí Lhamtés Güisnay |
| Ethnologue Primary Language Names | art-323 | Wichí Lhamtés Güisnay |
| Glottolog Languoid Names | art-326 | Wichí Lhamtés Güisnay |
| Glottocode | art-327 | wich1264 |
| Glottolog Primary Key | art-328 | 34039 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2093 |
| Ethnologue Language Names | art-330 | Güisnay |
| Ethnologue Language Names | art-330 | Mataco |
| Ethnologue Language Names | art-330 | Mataco Güisnay |
| Ethnologue Language Names | art-330 | Mataco Pilcomayo |
| Ethnologue Language Names | art-330 | Wichí Lhamtés Güisnay |
| English | eng-000 | Wichi |
| English | eng-000 | Wichí Lhamtés Güisnay |
| français | fra-000 | wichi |
| español | spa-000 | wichí |