| Language | Name | Code |
|---|---|---|
| Arabic | تريليبورج | ar |
| Belarusian | Трэлебарг | be |
| be-tarask | Трэлеборг | be-tarask |
| Bulgarian | Трелебори | bg |
| Catalan | Trelleborg | ca |
| Cebuano | Trelleborg (kapital sa munisipyo) | ceb |
| Czech | Trelleborg | cs |
| Welsh | Trelleborg | cy |
| Danish | Trelleborg | da |
| German | Trelleborg | de |
| Modern Greek (1453-) | Τρέλλεμποργκ | el |
| English | Trelleborg | en |
| en-gb | Trelleborg | en-gb |
| Esperanto | Trelleborg | eo |
| Spanish | Trelleborg | es |
| Estonian | Trelleborg | et |
| Basque | Trelleborg | eu |
| Persian | ترلبوریه | fa |
| Finnish | Trelleborg | fi |
| Faroese | Trelleborg | fo |
| French | Trelleborg | fr |
| frr | Trelleborg | frr |
| Irish | Trelleborg | ga |
| Hebrew | טרלבורג | he |
| Croatian | Trelleborg | hr |
| Hungarian | Trelleborg | hu |
| Indonesian | Trelleborg | id |
| Icelandic | Trelleborg | is |
| Italian | Trelleborg | it |
| Japanese | トレレボリ | ja |
| Georgian | ტრელებორგი | ka |
| Kalaallisut | Trelleborg | kl |
| Korean | 트렐레보리 | ko |
| Latin | Trellenburgum | la |
| lld | Trelleborg | lld |
| lmo | Trelleborg | lmo |
| Lithuanian | Treleborgas | lt |
| min | Trelleborg | min |
| Macedonian | Трелеборг | mk |
| Malay (macrolanguage) | Trelleborg | ms |
| nan | Trelleborg | nan |
| Norwegian Bokmål | Trelleborg | nb |
| Dutch | Trelleborg | nl |
| Norwegian Nynorsk | Trelleborg | nn |
| Occitan (post 1500) | Trelleborg | oc |
| Ossetian | Треллеборг | os |
| Polish | Trelleborg | pl |
| pms | Trelleborg | pms |
| Portuguese | Trelleborg | pt |
| Romanian | Trelleborg | ro |
| Russian | Треллеборг | ru |
| Scots | Trelleborg | sco |
| sh | Trelleborg | sh |
| Slovak | Trelleborg | sk |
| Slovenian | Trelleborg | sl |
| Albanian | Trelleborg | sq |
| Serbian | Трелеборг | sr |
| Swedish | Trelleborg | sv |
| Swahili (macrolanguage) | Trelleborg | sw |
| Turkish | Trelleborg | tr |
| Ukrainian | Треллеборг | uk |
| Volapük | Trelleborg | vo |
| Chinese | 特雷勒堡 | zh |
| zh-hant | 特雷勒堡 | zh-hant |