| Language | Name | Code |
|---|---|---|
| Arabic | هادرسلف | ar |
| arz | هادرسلف | arz |
| Asturian | Haderslev | ast |
| Belarusian | Хадэрслеў | be |
| be-tarask | Гадэрсьлеў | be-tarask |
| Catalan | Haderslev | ca |
| Cebuano | Haderslev (kapital sa munisipyo sa Dinamarka) | ceb |
| Czech | Haderslev | cs |
| Danish | Haderslev | da |
| German | Hadersleben | de |
| diq | Haderslev | diq |
| Modern Greek (1453-) | Χάδερσλεου | el |
| English | Haderslev | en |
| Esperanto | Haderslevo | eo |
| Spanish | Haderslev | es |
| Persian | هادرسلف | fa |
| Finnish | Haderslev | fi |
| Faroese | Haderslev | fo |
| French | Haderslev | fr |
| frr | Haderslev | frr |
| Western Frisian | Haderslev | fy |
| Hebrew | הדרסלב | he |
| Hungarian | Haderslev | hu |
| Icelandic | Haderslev | is |
| Italian | Haderslev | it |
| Japanese | ハザスレウ | ja |
| Georgian | ჰადერსლევი | ka |
| Kalaallisut | Haderslev | kl |
| Korean | 하데르슬레우 | ko |
| Lithuanian | Haderslevas | lt |
| Latvian | Hadersleva | lv |
| mdf | Гадэрслэв | mdf |
| Macedonian | Хадерслев | mk |
| Malay (macrolanguage) | Haderslev | ms |
| Norwegian Bokmål | Haderslev | nb |
| Dutch | Haderslev | nl |
| Norwegian Nynorsk | Haderslev | nn |
| Occitan (post 1500) | Haderslev | oc |
| Polish | Haderslev | pl |
| Portuguese | Haderslev | pt |
| Romanian | Haderslev | ro |
| Russian | Хадерслев | ru |
| Slovenian | Haderslev | sl |
| Serbian | Хадерслев | sr |
| Swedish | Haderslev | sv |
| Swahili (macrolanguage) | Haderslev | sw |
| szl | Haderslev | szl |
| Turkish | Haderslev | tr |
| Ukrainian | Гадерслев | uk |
| vec | Haderslev | vec |
| Volapük | Haderslev | vo |
| Chinese | 哈泽斯莱乌 | zh |