| Language | Name | Code |
|---|---|---|
| Afrikaans | Karlsruhe | af |
| Aragonese | Karlsruhe | an |
| Arabic | كارلسروه | ar |
| arz | كارلسروه | arz |
| Asturian | Karlsruhe | ast |
| Azerbaijani | Karlsrue | az |
| azb | کارلسروهه | azb |
| ban | Karlsruhe | ban |
| Bavarian | Karlsruhe | bar |
| Belarusian | Карлсруэ | be |
| be-tarask | Карльсруэ | be-tarask |
| Bulgarian | Карлсруе | bg |
| Bengali | কার্লসরুহে | bn |
| Breton | Karlsruhe | br |
| Catalan | Karlsruhe | ca |
| Chechen | Карлсруэ | ce |
| Cebuano | Karlsruhe | ceb |
| Corsican | Karlsruhe | co |
| Czech | Karlsruhe | cs |
| Chuvash | Карлсруэ | cv |
| Welsh | Karlsruhe | cy |
| Danish | Karlsruhe | da |
| German | Karlsruhe | de |
| de-at | Karlsruhe | de-at |
| de-ch | Karlsruhe | de-ch |
| diq | Karlsruhe | diq |
| dsb | Karlsruhe | dsb |
| Modern Greek (1453-) | Καρλσρούη | el |
| English | Karlsruhe | en |
| en-ca | Karlsruhe | en-ca |
| en-gb | Karlsruhe | en-gb |
| en-us | Karlsruhe | en-us |
| Esperanto | Karlsruhe | eo |
| Spanish | Karlsruhe | es |
| Estonian | Karlsruhe | et |
| Basque | Karlsruhe | eu |
| Persian | کارلسروهه | fa |
| Finnish | Karlsruhe | fi |
| Faroese | Karlsruhe | fo |
| French | Karlsruhe | fr |
| frp | Karlsruhe | frp |
| frr | Karlsruhe | frr |
| fur | Karlsruhe | fur |
| Western Frisian | Karlsruhe | fy |
| Irish | Karlsruhe | ga |
| Scottish Gaelic | Karlsruhe | gd |
| Galician | Karlsruhe | gl |
| gsw | Karlsrueh | gsw |
| Gujarati | કાર્લ્સરુહ | gu |
| Hausa | Karlsruhe | ha |
| hak | Karlsruhe | hak |
| Hebrew | קרלסרוהה | he |
| Hindi | कार्ल्सरुहे | hi |
| Croatian | Karlsruhe | hr |
| Upper Sorbian | Karlsruhe | hsb |
| Hungarian | Karlsruhe | hu |
| Armenian | Կարլսրուե | hy |
| Interlingua (International Auxiliary Language Association) | Karlsruhe | ia |
| Indonesian | Karlsruhe | id |
| Interlingue | Karlsruhe | ie |
| Ido | Karlsruhe | io |
| Icelandic | Karlsruhe | is |
| Italian | Karlsruhe | it |
| Japanese | カールスルーエ | ja |
| Georgian | კარლსრუე | ka |
| Kongo | Karlsruhe | kg |
| Kazakh | Карлсруэ | kk |
| Kannada | ಕಾರ್ಲ್ಸ್ರುಹೆ | kn |
| Korean | 카를스루에 | ko |
| Kurdish | Karlsruhe | ku |
| Kirghiz | Карлсруэ | ky |
| Latin | Carolsruha | la |
| Luxembourgish | Karlsruhe | lb |
| Limburgan | Karlsruhe | li |
| lij | Karlsruhe | lij |
| lld | Karlsruhe | lld |
| lmo | Karlsruhe | lmo |
| Lithuanian | Karlsrūjė | lt |
| Latvian | Karlsrūe | lv |
| Malagasy | Karlsruhe | mg |
| min | Karlsruhe | min |
| Macedonian | Карлсруе | mk |
| Malayalam | കാൾസ്റൂഹെ | ml |
| Mongolian | Карлсруэ | mn |
| Marathi | कार्ल्सरूह | mr |
| Malay (macrolanguage) | Karlsruhe | ms |
| Maltese | Karlsruhe | mt |
| nan | Karlsruhe | nan |
| nap | Karlsruhe | nap |
| Norwegian Bokmål | Karlsruhe | nb |
| Low German | Karlsruhe | nds |
| nds-nl | Karlsruhe | nds-nl |
| Nepali (macrolanguage) | Karlsruhe | ne |
| Dutch | Karlsruhe | nl |
| Norwegian Nynorsk | Karlsruhe | nn |
| Narom | Karlsruhe | nrm |
| Occitan (post 1500) | Karlsruhe | oc |
| Ossetian | Карлсруэ | os |
| pcd | Karlsruhe | pcd |
| pfl | Kallsruh | pfl |
| Polish | Karlsruhe | pl |
| pms | Karlsruhe | pms |
| pnb | کارلزروہے محل | pnb |
| Portuguese | Karlsruhe | pt |
| pt-br | Karlsruhe | pt-br |
| Quechua | Karlsruhe | qu |
| Romansh | Karlsruhe | rm |
| Romanian | Karlsruhe | ro |
| Russian | Карлсруэ | ru |
| sah | Карлсруэ | sah |
| Sardinian | Karlsruhe | sc |
| Sicilian | Karlsruhe | scn |
| Scots | Karlsruhe | sco |
| sh | Karlsruhe | sh |
| Sinhala | ක්ල්ශ්රුහි | si |
| Slovak | Karlsruhe | sk |
| Slovenian | Karlsruhe | sl |
| Albanian | Karlsruhe | sq |
| Serbian | Карлсруе | sr |
| sr-el | Karlsruhe | sr-el |
| stq | Karlsruhe | stq |
| Swedish | Karlsruhe | sv |
| Swahili (macrolanguage) | Karlsruhe | sw |
| szl | Karlsruhe | szl |
| Tamil | கார்ல்சுருஹ் | ta |
| Telugu | కార్ల్స్రుహె | te |
| Tajik | Корлсруҳе | tg |
| Thai | คาลส์รูเออ | th |
| Turkmen | Karlsrue | tk |
| tly | Karslrue | tly |
| Turkish | Karlsruhe | tr |
| Tatar | Карлсруэ | tt |
| tt-latn | Karlsrue | tt-latn |
| tum | Karlsruhe | tum |
| Twi | Karlsruhe | tw |
| Ukrainian | Карлсруе | uk |
| Urdu | کالسروئے | ur |
| Uzbek | Karlsruhe | uz |
| vec | Karlsruhe | vec |
| Vietnamese | Karlsruhe | vi |
| vls | Karlsruhe | vls |
| Volapük | Karlsruhe | vo |
| Walloon | Karlsruhe | wa |
| war | Karlsruhe | war |
| Wolof | Karlsruhe | wo |
| Wu Chinese | 卡尔斯鲁厄 | wuu |
| Yiddish | קארלסרוע | yi |
| yue | 卡爾斯魯亞 | yue |
| Chinese | 卡尔斯鲁厄 | zh |
| zh-cn | 卡尔斯鲁厄 | zh-cn |
| zh-hans | 卡尔斯鲁厄 | zh-hans |
| zh-hant | 卡爾斯魯厄 | zh-hant |
| Zulu | Karlsruhe | zu |