| ISO 639-3 | art-001 |
| frr | |
| ISO 639-2/T | art-002 | frr |
| ISO 639-2/B | art-003 | frr |
| ISO 639-3 Reference Names | art-289 | Northern Frisian |
| ISO 639-3 Print Names | art-290 | Northern Frisian |
| ISO 639-3 Inverted Names | art-291 | Frisian, Northern |
| Ethnologue Primary Language Names | art-323 | Frisian, Northern |
| Glottolog Languoid Names | art-326 | Northern Frisian |
| Glottocode | art-327 | nort2626 |
| Glottolog Primary Key | art-328 | 37016 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 394 |
| Ethnologue Language Names | art-330 | Ferring |
| Ethnologue Language Names | art-330 | Fohr-Amrum |
| Ethnologue Language Names | art-330 | Frisian, Northern |
| Ethnologue Language Names | art-330 | Helgoland |
| Ethnologue Language Names | art-330 | Mainland Frisian |
| Ethnologue Language Names | art-330 | Mooringa |
| Ethnologue Language Names | art-330 | Mooringer |
| Ethnologue Language Names | art-330 | Nordfriesisch |
| Ethnologue Language Names | art-330 | Sylt |
| Ethnologue Language Names | art-330 | Sölreng |
| 普通话 | cmn-000 | 北弗里西语 |
| Deutsch | deu-000 | Nordfriesisch |
| English | eng-000 | North Frisian |
| English | eng-000 | Northern Frisian |
| français | fra-000 | frison du nord |
| français | fra-000 | frison septentrional |
| Frasche spräke | frr-000 | Frasch |
| русский | rus-000 | севернофризский |
| español | spa-000 | frisón septentrional |