| Language | Name | Code |
|---|---|---|
| Bulgarian | Карлсхамн | bg |
| Catalan | Karlshamn | ca |
| Cebuano | Karlshamn | ceb |
| Welsh | Karlshamn | cy |
| Danish | Karlshamn | da |
| German | Karlshamn | de |
| de-ch | Karlshamn | de-ch |
| Modern Greek (1453-) | Κάρλσχαμν | el |
| English | Karlshamn | en |
| en-ca | Karlshamn | en-ca |
| en-gb | Karlshamn | en-gb |
| Esperanto | Karlshamn | eo |
| Spanish | Karlshamn | es |
| Estonian | Karlshamn | et |
| Persian | کالشهمن | fa |
| Finnish | Karlshamn | fi |
| Faroese | Karlshamn | fo |
| French | Karlshamn | fr |
| frr | Karlshamn | frr |
| Western Frisian | Karlshamn | fy |
| Irish | Karlshamn | ga |
| Hebrew | קרלסהמן | he |
| Croatian | Karlshamn | hr |
| Indonesian | Karlshamn | id |
| Icelandic | Karlshamn | is |
| Italian | Karlshamn | it |
| Japanese | カールスハムン | ja |
| Korean | 칼스함 | ko |
| Latin | Caroli Portus | la |
| lld | Karlshamn | lld |
| Lithuanian | Karlshamnas | lt |
| Latvian | Karlshamna | lv |
| mdf | Карлсгамн | mdf |
| mrj | Карлсхамн | mrj |
| myv | Карлсхамн | myv |
| nan | Karlshamn | nan |
| Norwegian Bokmål | Karlshamn | nb |
| Dutch | Karlshamn | nl |
| Norwegian Nynorsk | Karlshamn | nn |
| Occitan (post 1500) | Karlshamn | oc |
| Polish | Karlshamn | pl |
| Portuguese | Karlshamn | pt |
| pt-br | Karlshamn | pt-br |
| Romanian | Karlshamn | ro |
| Russian | Карлсхамн | ru |
| rup | Karlshamn | rup |
| sh | Karlshamn | sh |
| Slovenian | Karlshamn | sl |
| Serbian | Карлсхамн | sr |
| Swedish | Karlshamn | sv |
| Swahili (macrolanguage) | Karlshamn | sw |
| Turkish | Karlshamn | tr |
| Ukrainian | Карлсгамн | uk |
| Volapük | Karlshamn | vo |
| Chinese | 卡爾斯港 | zh |
| zh-hans | 卡尔斯港 | zh-hans |
| zh-hant | 卡爾斯港 | zh-hant |