| English | eng-000 |
| Southern Tiwa | |
| ISO 639-3 | art-001 | tix |
| ISO 639-PanLex | art-274 | tix-000 |
| ISO 639-3 Inverted Names | art-291 | Tiwa, Southern |
| Glottolog Languoid Names | art-326 | Southern Tiwa |
| Glottocode | art-327 | sout2961 |
| Glottolog Primary Key | art-328 | 34329 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1538 |
| français | fra-000 | tiwa du Sud |
| français | fra-000 | tiwa méridional |
| español | spa-000 | tiwa meridional |