| ISO 639-3 | art-001 |
| pih | |
| ISO 639-3 Reference Names | art-289 | Pitcairn-Norfolk |
| ISO 639-3 Print Names | art-290 | Pitcairn-Norfolk |
| ISO 639-3 Inverted Names | art-291 | Pitcairn-Norfolk |
| Ethnologue Primary Language Names | art-323 | Pitcairn-Norfolk |
| Glottolog Languoid Names | art-326 | Pitcairn-Norfolk |
| Glottocode | art-327 | pitc1234 |
| Glottolog Primary Key | art-328 | 104491 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2622 |
| Ethnologue Language Names | art-330 | Norfolk English |
| Ethnologue Language Names | art-330 | Norfolkese |
| Ethnologue Language Names | art-330 | Pitcairn English |
| Ethnologue Language Names | art-330 | Pitcairn-Norfolk |
| 普通话 | cmn-000 | 皮特凯恩-诺福克语 |
| English | eng-000 | Norfolk-Pitcairn |
| English | eng-000 | Pitcairn-Norfolk |
| français | fra-000 | pitkern-norfolk |
| Norfuk | pih-000 | Norfuk |
| español | spa-000 | pitcairn-norfolk |