| Language | Name | Code |
|---|---|---|
| Afrikaans | Cornwall | af |
| Arabic | كورنوال | ar |
| arz | كورنوال | arz |
| Asturian | Cornwall | ast |
| atj | Cornwall | atj |
| azb | کورنوال | azb |
| Belarusian | Корнуал | be |
| be-tarask | Корнўал | be-tarask |
| Bengali | কর্নওয়াল | bn |
| Catalan | Cornwall | ca |
| Cebuano | Cornwall | ceb |
| Czech | Cornwall | cs |
| Danish | Cornwall | da |
| German | Cornwall | de |
| diq | Cornwall | diq |
| Modern Greek (1453-) | Κόρνγουολ | el |
| English | Cornwall | en |
| Esperanto | Cornwall | eo |
| Spanish | Cornwall | es |
| Persian | کورنوال | fa |
| Finnish | Cornwall | fi |
| French | Cornwall | fr |
| Gujarati | કોર્નવોલ | gu |
| Hebrew | קורנוול | he |
| Hindi | कॉर्नवाल | hi |
| Hungarian | Cornwall | hu |
| Indonesian | Cornwall | id |
| Italian | Cornwall | it |
| Japanese | コーンウォール | ja |
| Kannada | ಕಾರ್ನ್ವಾಲ್ | kn |
| Korean | 콘월 | ko |
| Kurdish | Cornwall | ku |
| Cornish | Cornwall | kw |
| Lithuanian | Kornvalis | lt |
| Latvian | Kornvola | lv |
| Marathi | कॉर्नवाल | mr |
| Malay (macrolanguage) | Cornwall | ms |
| Norwegian Bokmål | Cornwall | nb |
| Dutch | Cornwall | nl |
| Ossetian | Корнуолл | os |
| Polish | Cornwall | pl |
| pnb | کارنوال(اونٹاریو) | pnb |
| Portuguese | Cornwall | pt |
| Russian | Корнуолл | ru |
| sh | Cornwall | sh |
| Sinhala | කොම්වොල් | si |
| Slovenian | Cornwall | sl |
| Albanian | Cornwall | sq |
| Serbian | Корнвол | sr |
| sr-ec | Корнвол | sr-ec |
| sr-el | Kornvol | sr-el |
| Swedish | Cornwall | sv |
| szl | Cornwall | szl |
| Tamil | கார்ன்வால் | ta |
| Telugu | కార్న్ వాల్ | te |
| Thai | คอร์นวอล | th |
| Turkish | Cornwall | tr |
| Ukrainian | Корнволл | uk |
| Urdu | کورنوال | ur |
| Vietnamese | Cornwall | vi |
| Volapük | Cornwall | vo |
| Chinese | 康沃尔 | zh |
| zh-hans | 康沃尔 | zh-hans |
| zh-hant | 康瓦耳 | zh-hant |
| zh-hk | 康和 | zh-hk |