| Language | Name | Code |
|---|---|---|
| Afrikaans | Newcastle, Noord-Ierland | af |
| Asturian | Newcastle | ast |
| Bulgarian | Нюкасъл | bg |
| Catalan | Newcastle (Down) | ca |
| Cebuano | Newcastle | ceb |
| Czech | Newcastle | cs |
| German | Newcastle | de |
| English | Newcastle | en |
| Spanish | Newcastle, Condado de Down | es |
| Basque | Newcastle | eu |
| Persian | نیوکاسل، شهرستان داون | fa |
| French | Newcastle | fr |
| Irish | an Caisleán Nua | ga |
| Japanese | ニューキャッスル (ダウン県) | ja |
| Malay (macrolanguage) | Newcastle, Daerah Down | ms |
| Norwegian Bokmål | Newcastle | nb |
| Dutch | Newcastle | nl |
| Polish | Newcastle | pl |
| Russian | Ньюкасл | ru |
| Slovak | Newcastle | sk |
| Slovenian | Newcastle | sl |
| Swedish | Newcastle | sv |
| Chinese | 紐卡素爾 (唐郡) | zh |
| zh-cn | 纽卡斯尔 | zh-cn |
| zh-hans | 纽卡斯尔 | zh-hans |
| zh-hant | 紐卡斯爾 | zh-hant |