| Language | Name | Code |
|---|---|---|
| Afrikaans | Rouen | af |
| Amharic | ሩዋን | am |
| Aragonese | Ruán | an |
| ang | Roðem | ang |
| Arabic | روان | ar |
| arz | روان | arz |
| Asturian | Rouen | ast |
| avk | Rouen | avk |
| Aymara | Rouen | ay |
| Azerbaijani | Ruan | az |
| azb | روان | azb |
| ban | Rouen | ban |
| Bavarian | Rouen | bar |
| Belarusian | Руан | be |
| be-tarask | Руан | be-tarask |
| Bulgarian | Руан | bg |
| Bengali | রুঅঁ | bn |
| Breton | Rouan | br |
| Bosnian | Rouen | bs |
| Catalan | Rouen | ca |
| Chechen | ГӀуан | ce |
| Cebuano | Rouen | ceb |
| Corsican | Rouen | co |
| Czech | Rouen | cs |
| Chuvash | Руан | cv |
| Welsh | Rouen | cy |
| Danish | Rouen | da |
| German | Rouen | de |
| diq | Rouen | diq |
| dsb | Rouen | dsb |
| Modern Greek (1453-) | Ρουέν | el |
| eml | Rouen | eml |
| English | Rouen | en |
| en-ca | Rouen | en-ca |
| en-gb | Rouen | en-gb |
| Esperanto | Rueno | eo |
| Spanish | Ruan | es |
| Estonian | Rouen | et |
| Basque | Rouen | eu |
| Persian | روان | fa |
| Finnish | Rouen | fi |
| Faroese | Rouen | fo |
| French | Rouen | fr |
| frp | Rouen | frp |
| frr | Rouen | frr |
| Western Frisian | Roeaan | fy |
| Irish | Rouen | ga |
| Scottish Gaelic | Rouen | gd |
| Galician | Ruán | gl |
| gsw | Rouen | gsw |
| Gujarati | રૂઓન | gu |
| Hausa | Rouen | ha |
| Hebrew | רואן | he |
| Hindi | रुआं | hi |
| Croatian | Rouen | hr |
| Upper Sorbian | Rouen | hsb |
| Hungarian | Rouen | hu |
| Armenian | Ռուան | hy |
| Indonesian | Rouen | id |
| Interlingue | Rouen | ie |
| Ido | Rouen | io |
| Icelandic | Rúðuborg | is |
| Italian | Rouen | it |
| Japanese | ルーアン | ja |
| Georgian | რუანი | ka |
| kaa | Rouen | kaa |
| kab | Rouen | kab |
| Kazakh | Руан | kk |
| Kannada | ರೌಎನ್ | kn |
| Korean | 루앙 | ko |
| ksh | Rouen | ksh |
| Kurdish | Rouen | ku |
| Kirghiz | Руан | ky |
| Latin | Rothomagus | la |
| lad | Rouen | lad |
| Luxembourgish | Rouen | lb |
| Limburgan | Rouen | li |
| lld | Rouen | lld |
| lmo | Rouen | lmo |
| Lithuanian | Ruanas | lt |
| Latvian | Ruāna | lv |
| mhr | Руан | mhr |
| Macedonian | Руан | mk |
| Mongolian | Руан | mn |
| Marathi | रोआँ | mr |
| Malay (macrolanguage) | Rouen | ms |
| Maltese | Rouen | mt |
| mzn | روان | mzn |
| nan | Rouen | nan |
| nap | Rouen | nap |
| Norwegian Bokmål | Rouen | nb |
| Low German | Rouen | nds |
| nds-nl | Roeaan | nds-nl |
| Dutch | Rouen | nl |
| Norwegian Nynorsk | Rouen | nn |
| Narom | Rouen | nrm |
| Occitan (post 1500) | Roan | oc |
| Ossetian | Руан | os |
| pcd | Rouen | pcd |
| pdc | Rouen | pdc |
| Polish | Rouen | pl |
| pms | Rouen | pms |
| pnb | رؤن | pnb |
| pnt | Ρουέν | pnt |
| Portuguese | Ruão | pt |
| pt-br | Ruão | pt-br |
| Quechua | Rouen | qu |
| Romanian | Rouen | ro |
| Russian | Руан | ru |
| rue | Руан | rue |
| rup | Rouen | rup |
| Sardinian | Rouen | sc |
| Sicilian | Rouen | scn |
| Scots | Rouen | sco |
| sh | Rouen | sh |
| Sinhala | රවුන් | si |
| Slovak | Rouen | sk |
| Slovenian | Rouen | sl |
| Albanian | Rouen | sq |
| Serbian | Руан | sr |
| stq | Rouen | stq |
| Swedish | Rouen | sv |
| Swahili (macrolanguage) | Rouen | sw |
| szl | Rouen | szl |
| Tamil | ரோன் | ta |
| Telugu | రువాన్ | te |
| Tajik | Руон | tg |
| Thai | รูอ็อง | th |
| Tagalog | Rouen | tl |
| Tok Pisin | Rouen | tpi |
| Turkish | Rouen | tr |
| Tatar | Руан | tt |
| Twi | Rouen | tw |
| udm | Руан | udm |
| Ukrainian | Руан | uk |
| Urdu | روان، فرانس | ur |
| Uzbek | Ruan | uz |
| vec | Rouen | vec |
| vep | Ruan | vep |
| Vietnamese | Rouen | vi |
| vls | Rouen | vls |
| Volapük | Rouen | vo |
| Walloon | Rouen | wa |
| war | Rouen | war |
| Wu Chinese | 鲁昂 | wuu |
| yue | 盧昂 | yue |
| zea | Roeaan | zea |
| Chinese | 鲁昂 | zh |
| zh-cn | 鲁昂 | zh-cn |
| zh-hans | 鲁昂 | zh-hans |
| zh-hant | 盧昂 | zh-hant |
| zh-tw | 盧昂 | zh-tw |