| Language | Name | Code |
|---|---|---|
| Afrikaans | Ísafjörður | af |
| Arabic | اسافيوردور | ar |
| arz | اسافيوردور | arz |
| Asturian | Ísafjörður | ast |
| Azerbaijani | İsafyordür | az |
| Belarusian | Ісафіёрдур | be |
| be-tarask | Ісафіёрдур | be-tarask |
| Catalan | Ísafjörður | ca |
| Chechen | Исафьордюр | ce |
| Cebuano | Ísafjörður (kapital sa rehiyon) | ceb |
| Czech | Ísafjörður | cs |
| Welsh | Ísafjörður | cy |
| Danish | Ísafjörður | da |
| German | Ísafjörður | de |
| Modern Greek (1453-) | Ισαφιορδούρ | el |
| English | Ísafjörður | en |
| Esperanto | Ísafjörður | eo |
| Spanish | Ísafjörður | es |
| Estonian | Ísafjörður | et |
| Basque | Ísafjörður | eu |
| Persian | ایسافجرویر | fa |
| Finnish | Ísafjörður | fi |
| French | Ísafjörður | fr |
| Irish | Ísafjörður | ga |
| Scottish Gaelic | Ísafjörður | gd |
| Hebrew | איסאפיירד'ור | he |
| Croatian | Ísafjörður | hr |
| Hungarian | Ísafjörður | hu |
| Armenian | Իսաֆյորդուր | hy |
| Indonesian | Ísafjörður | id |
| Interlingue | Ísafjörður | ie |
| Ido | Ísafjörður | io |
| Icelandic | Ísafjörður | is |
| Italian | Ísafjörður | it |
| Japanese | イーサフィヨルズゥル | ja |
| Georgian | ისაფიორდური | ka |
| Kazakh | Исафьордюр | kk |
| kk-arab | ىيسافورديۋر | kk-arab |
| kk-cn | ىيسافورديۋر | kk-cn |
| kk-cyrl | Исафьордюр | kk-cyrl |
| kk-kz | Исафьордюр | kk-kz |
| kk-latn | Ïsafʹordyur | kk-latn |
| kk-tr | Ïsafʹordyur | kk-tr |
| Kalaallisut | Ísafjörður | kl |
| Korean | 이사피외르뒤르 | ko |
| Latin | Ísafjörður | la |
| Lithuanian | Isafjorduras | lt |
| mdf | Исафьордур | mdf |
| Macedonian | Исафјердир | mk |
| Malay (macrolanguage) | Ísafjörður | ms |
| Nauru | Ísafjörður | na |
| Norwegian Bokmål | Ísafjörður | nb |
| Low German | Ísafjörður | nds |
| Dutch | Ísafjörður | nl |
| Norwegian Nynorsk | Ísafjörður | nn |
| Occitan (post 1500) | Ísafjörður | oc |
| Ossetian | Исафьордюр | os |
| Polish | Ísafjörður | pl |
| Portuguese | Ísafjörður | pt |
| Romanian | Ísafjörður | ro |
| Russian | Исафьордюр | ru |
| Northern Sami | Ísafjörður | se |
| sh | Ísafjörður | sh |
| Slovenian | Ísafjörður | sl |
| Serbian | Исафјердир | sr |
| sr-ec | Исафјердир | sr-ec |
| sr-el | Isafjerdir | sr-el |
| Swedish | Ísafjörður | sv |
| Turkish | Ísafjörður | tr |
| Ukrainian | Ісафьордюр | uk |
| Urdu | ایسافیوردر | ur |
| vep | Isafjordür | vep |
| Vietnamese | Ísafjörður | vi |
| Volapük | Ísafjörður | vo |
| Wu Chinese | 伊萨菲厄泽 | wuu |
| xmf | ისაფიორდური | xmf |
| Chinese | 伊萨菲厄泽 | zh |
| zh-cn | 伊萨菲厄泽 | zh-cn |
| zh-hans | 伊萨菲厄泽 | zh-hans |
| zh-hant | 伊薩菲厄澤 | zh-hant |
| zh-hk | 伊薩菲厄澤 | zh-hk |
| zh-sg | 伊萨菲厄泽 | zh-sg |
| zh-tw | 伊薩菲厄澤 | zh-tw |