| ISO 639-3 | art-001 |
| sis | |
| ISO 639-3 Reference Names | art-289 | Siuslaw |
| ISO 639-3 Print Names | art-290 | Siuslaw |
| ISO 639-3 Inverted Names | art-291 | Siuslaw |
| Ethnologue Primary Language Names | art-323 | Siuslaw |
| Glottolog Languoid Names | art-326 | Siuslaw |
| Glottocode | art-327 | sius1254 |
| Glottolog Primary Key | art-328 | 34339 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 806 |
| Ethnologue Language Names | art-330 | Siuslaw |
| English | eng-000 | Siuslaw |
| français | fra-000 | siuslaw |
| español | spa-000 | siuslaw |