| ISO 639-3 | art-001 |
| bla | |
| ISO 639-2/T | art-002 | bla |
| ISO 639-2/B | art-003 | bla |
| ISO 639-3 Reference Names | art-289 | Siksika |
| ISO 639-3 Print Names | art-290 | Siksika |
| ISO 639-3 Inverted Names | art-291 | Siksika |
| Ethnologue Primary Language Names | art-323 | Blackfoot |
| Glottolog Languoid Names | art-326 | Siksika |
| Glottocode | art-327 | siks1238 |
| Glottolog Primary Key | art-328 | 23823 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1453 |
| Ethnologue Language Names | art-330 | Blackfeet |
| Ethnologue Language Names | art-330 | Blackfoot |
| Ethnologue Language Names | art-330 | Blood |
| Ethnologue Language Names | art-330 | Kainaa |
| Ethnologue Language Names | art-330 | Peigan |
| Ethnologue Language Names | art-330 | Pied Noir |
| Ethnologue Language Names | art-330 | Piegan |
| Ethnologue Language Names | art-330 | Pikanii |
| Ethnologue Language Names | art-330 | Siksika |
| 普通话 | cmn-000 | 西克西卡语 |
| Deutsch | deu-000 | Schwarzfuss |
| English | eng-000 | Blackfoot |
| français | fra-000 | pied-noir |
| русский | rus-000 | блэкфут |
| español | spa-000 | pies negros |