| ISO 639-3 | art-001 |
| xsi | |
| ISO 639-3 Reference Names | art-289 | Sio |
| ISO 639-3 Print Names | art-290 | Sio |
| ISO 639-3 Inverted Names | art-291 | Sio |
| Ethnologue Primary Language Names | art-323 | Sio |
| Glottolog Languoid Names | art-326 | Sio |
| Glottocode | art-327 | sioo1240 |
| Glottolog Primary Key | art-328 | 42283 |
| Ethnologue Language Names | art-330 | Sigawa |
| Ethnologue Language Names | art-330 | Sio |
| English | eng-000 | Sio |