| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 1994 | |
| ISO 639-3 | art-001 | sik |
| Glottolog Languoid Names | art-326 | Sikiana |
| Glottocode | art-327 | siki1239 |
| Glottolog Primary Key | art-328 | 26806 |
| English | eng-000 | Sikïiyana |
| français | fra-000 | sikiyana |
| español | spa-000 | sikiana |