| ISO 639-3 | art-001 |
| tht | |
| ISO 639-3 Reference Names | art-289 | Tahltan |
| ISO 639-3 Print Names | art-290 | Tahltan |
| ISO 639-3 Inverted Names | art-291 | Tahltan |
| Ethnologue Primary Language Names | art-323 | Tahltan |
| Glottolog Languoid Names | art-326 | Tahltan |
| Glottocode | art-327 | tahl1239 |
| Glottolog Primary Key | art-328 | 44841 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2387 |
| Ethnologue Language Names | art-330 | Tahltan |
| Ethnologue Language Names | art-330 | Tāltān |
| English | eng-000 | Tahltan |
| français | fra-000 | tahltan |
| español | spa-000 | tahltan |
| Tahltan | tht-000 | Tāłtān |