| English | eng-000 |
| Modern Cornish | |
| ISO 639-PanLex | art-274 | cor-000 |
| IETF language tags | art-420 | kw |
| brezhoneg | bre-000 | Kernuack Nowedga |
| 普通话 | cmn-000 | 康沃尔语 |
| Middle Cornish | cnx-000 | Kernewek Arnowyth |
| Kernowek | cor-000 | Curnoack |
| Kernowek | cor-000 | Kernewek Arnowyth |
| Kernowek | cor-000 | Kernowek |
| Kernowek | cor-000 | Kernuack Nowedga |
| Kernowek | cor-000 | yeth Kernewek |
| Cymraeg | cym-000 | Cernyweg |
| Deutsch | deu-000 | Kornisch |
| ελληνικά | ell-000 | κορνουαλική γλώσσα |
| English | eng-000 | Cornish |
| suomi | fin-000 | korni |
| français | fra-000 | cornique |
| français | fra-000 | cornique moderne |
| Gàidhlig | gla-000 | Còrnais |
| Gaeilge | gle-000 | an Choirnis |
| हिन्दी | hin-000 | कॉर्निश भाषा |
| 日本語 | jpn-000 | コーンウォール語 |
| Old Cornish | oco-000 | Kernewek Arnowyth |
| português | por-000 | córnico |
| español | spa-000 | córnico |
| Fräiske Sproake | stq-000 | Kornisk |