| Language | Name | Code |
|---|---|---|
| Afrikaans | Regensburg | af |
| Amharic | ሬገንስቡርግ | am |
| Aragonese | Ratisbona | an |
| ang | Regnesburg | ang |
| Arabic | ريغنسبورغ | ar |
| arz | ريجينسبورج | arz |
| Asturian | Ratisbona | ast |
| Azerbaijani | Regensburq | az |
| azb | رقنسبورق | azb |
| Bashkir | Регенсбург | ba |
| ban | Regensburg | ban |
| Bavarian | Rengschburg | bar |
| Belarusian | Рэгенсбург | be |
| be-tarask | Рэгенсбург | be-tarask |
| Bulgarian | Регенсбург | bg |
| Bengali | রেগেন্সবুর্গ | bn |
| Breton | Regensburg | br |
| Catalan | Ratisbona | ca |
| Chechen | Регенсбург | ce |
| Cebuano | Regensburg (kapital sa distrito nga gobyerno) | ceb |
| Central Kurdish | ڕێگنسبورگ | ckb |
| Corsican | Regensburg | co |
| Czech | Řezno | cs |
| Welsh | Regensburg | cy |
| Danish | Regensburg | da |
| German | Regensburg | de |
| de-at | Regensburg | de-at |
| de-ch | Regensburg | de-ch |
| diq | Regensburg | diq |
| Modern Greek (1453-) | Ρέγκενσμπουργκ | el |
| English | Regensburg | en |
| en-ca | Regensburg | en-ca |
| en-gb | Regensburg | en-gb |
| Esperanto | Regensburg | eo |
| Spanish | Ratisbona | es |
| Estonian | Regensburg | et |
| Basque | Ratisbona | eu |
| Persian | رگنسبورگ | fa |
| Finnish | Regensburg | fi |
| French | Ratisbonne | fr |
| frp | Regensburg | frp |
| frr | Regensbörj | frr |
| fur | Regensburg | fur |
| Western Frisian | Regensburg | fy |
| Irish | Regensburg | ga |
| Scottish Gaelic | Regensburg | gd |
| Galician | Ratisbona | gl |
| gsw | Rägensburg | gsw |
| Gujarati | રેગેન્સબર્ગ | gu |
| hak | Regensburg | hak |
| Hebrew | רגנסבורג | he |
| Hindi | रेगेन्सबुर्ग | hi |
| Croatian | Regensburg | hr |
| Upper Sorbian | Rězno | hsb |
| Hungarian | Regensburg | hu |
| Armenian | Ռեգենսբուրգ | hy |
| Interlingua (International Auxiliary Language Association) | Regensburg | ia |
| Indonesian | Regensburg | id |
| Interlingue | Regensburg | ie |
| Ido | Regensburg | io |
| Icelandic | Regensburg | is |
| Italian | Ratisbona | it |
| Japanese | レーゲンスブルク | ja |
| Georgian | რეგენსბურგი | ka |
| Kongo | Regensburg | kg |
| Kazakh | Регенсбург* | kk |
| Kannada | ರೆಗೆನ್ಸ್ಬರ್ಗ್ | kn |
| Korean | 레겐스부르크 | ko |
| Kurdish | Regensburg | ku |
| Kirghiz | Регенсбург* | ky |
| Latin | Ratisbona | la |
| Luxembourgish | Regensburg | lb |
| Limburgan | Regensburg | li |
| lij | Regensburg | lij |
| lld | Regensburg | lld |
| lmo | Ratisbona | lmo |
| Lithuanian | Rėgensburgas | lt |
| Latvian | Rēgensburga | lv |
| mdf | Рэгэнсбург | mdf |
| Malagasy | Regensburg | mg |
| min | Regensburg | min |
| Macedonian | Регенсбург | mk |
| Marathi | रेगन्सबुर्ग | mr |
| Malay (macrolanguage) | Regensburg | ms |
| Maltese | Regensburg | mt |
| nah | Ratisbona | nah |
| nan | Regensburg | nan |
| nap | Regensburg | nap |
| Norwegian Bokmål | Regensburg | nb |
| Low German | Regensburg | nds |
| nds-nl | Regensburg | nds-nl |
| Dutch | Regensburg | nl |
| Norwegian Nynorsk | Regensburg | nn |
| nqo | ߙߋߗ߭ߍ߲ߓߎߙߜ߭ | nqo |
| Narom | Regensburg | nrm |
| Occitan (post 1500) | Regensburg | oc |
| Ossetian | Регенсбург | os |
| pcd | Regensburg | pcd |
| Polish | Ratyzbona | pl |
| pms | Regensburg | pms |
| pnb | ریگنزبرگ | pnb |
| Portuguese | Ratisbona | pt |
| pt-br | Ratisbona | pt-br |
| Romansh | Regensburg | rm |
| Romanian | Regensburg | ro |
| Russian | Регенсбург | ru |
| Sardinian | Regensburg | sc |
| Sicilian | Regensburg | scn |
| Scots | Regensburg | sco |
| sh | Regensburg | sh |
| Sinhala | රිජන්ස්බර්ග් | si |
| Slovak | Regensburg | sk |
| Slovenian | Regensburg | sl |
| Serbian | Регензбург | sr |
| sr-el | Regensburg | sr-el |
| stq | Regensburg | stq |
| Swedish | Regensburg | sv |
| Swahili (macrolanguage) | Regensburg | sw |
| szl | Regensburg | szl |
| Tamil | ரெஜென்ஸ்பர்க் | ta |
| Telugu | రేగెన్స్బర్గ్ | te |
| Thai | เรเกินส์บวร์ค | th |
| Tagalog | Regensburg | tl |
| Turkish | Regensburg | tr |
| Tatar | Регенсбург | tt |
| tum | Regensburg | tum |
| Ukrainian | Регенсбург | uk |
| Urdu | ریجینسبورج | ur |
| Uzbek | Regensburg | uz |
| vec | Ratisbona | vec |
| Vietnamese | Regensburg | vi |
| vls | Regensburg | vls |
| Volapük | Regensburg | vo |
| Walloon | Regensburg | wa |
| war | Regensburg | war |
| Wolof | Regensburg | wo |
| Wu Chinese | 雷根斯堡 | wuu |
| yue | 雷根斯堡 | yue |
| Chinese | 雷根斯堡 | zh |
| zh-hant | 雷根斯堡 | zh-hant |
| zh-tw | 雷根斯堡 | zh-tw |
| Zulu | Regensburg | zu |