| ISO 639-3 | art-001 |
| sky | |
| ISO 639-3 Reference Names | art-289 | Sikaiana |
| ISO 639-3 Print Names | art-290 | Sikaiana |
| ISO 639-3 Inverted Names | art-291 | Sikaiana |
| Ethnologue Primary Language Names | art-323 | Sikaiana |
| Glottolog Languoid Names | art-326 | Sikaiana |
| Glottocode | art-327 | sika1261 |
| Glottolog Primary Key | art-328 | 41258 |
| Ethnologue Language Names | art-330 | Sikaiana |
| Ethnologue Language Names | art-330 | Sikayana |
| Deutsch | deu-000 | Sikaiana |
| English | eng-000 | Sikaiana |