| Language | Name | Code |
|---|---|---|
| Afrikaans | Saint-Louis | af |
| Aragonese | Saint-Louis | an |
| Asturian | Saint-Louis | ast |
| Bavarian | Saint-Louis | bar |
| be-tarask | Сэн-Люі | be-tarask |
| Bambara | Saint-Louis | bm |
| Breton | Saint-Louis | br |
| Catalan | Saint-Louis | ca |
| Chechen | Сен-Луи | ce |
| Cebuano | Saint-Louis | ceb |
| Corsican | Saint-Louis | co |
| Czech | Saint-Louis | cs |
| Chuvash | Сен-Луи | cv |
| Welsh | Saint-Louis | cy |
| Danish | Saint-Louis | da |
| German | Saint-Louis | de |
| de-at | Saint-Louis | de-at |
| de-ch | Saint-Louis | de-ch |
| Modern Greek (1453-) | Σαιν-Λουί | el |
| English | Saint-Louis | en |
| en-ca | Saint-Louis | en-ca |
| en-gb | Saint-Louis | en-gb |
| Esperanto | Saint-Louis | eo |
| Spanish | Saint-Louis | es |
| Estonian | Saint-Louis | et |
| Basque | Saint-Louis | eu |
| Persian | سن لویی | fa |
| Finnish | Saint-Louis | fi |
| Faroese | Saint-Louis | fo |
| French | Saint-Louis | fr |
| frc | Saint-Louis | frc |
| frp | Saint-Louis | frp |
| fur | Saint-Louis | fur |
| Irish | Saint-Louis | ga |
| Scottish Gaelic | Saint-Louis | gd |
| Galician | Saint-Louis | gl |
| gsw | Saint-Louis | gsw |
| Hebrew | סן לואי | he |
| Croatian | Saint-Louis | hr |
| Hungarian | Saint-Louis | hu |
| Armenian | Սեն Լուի (Ռեյունիոն) | hy |
| Interlingua (International Auxiliary Language Association) | Saint-Louis | ia |
| Indonesian | Saint-Louis | id |
| Interlingue | Saint-Louis | ie |
| Ido | Saint-Louis | io |
| Icelandic | Saint-Louis | is |
| Italian | Saint-Louis | it |
| Japanese | サン＝ルイ | ja |
| jam | Saint-Louis | jam |
| kab | Saint-Louis | kab |
| Kongo | Saint-Louis | kg |
| Kalaallisut | Saint-Louis | kl |
| Korean | 생루이 | ko |
| Luxembourgish | Saint-Louis | lb |
| Limburgan | Saint-Louis | li |
| lij | Saint-Louis | lij |
| lld | Saint-Louis | lld |
| Lithuanian | Saint-Louis | lt |
| Latvian | Saint-Louis | lv |
| Malagasy | Saint-Louis | mg |
| min | Saint-Louis | min |
| Malay (macrolanguage) | Saint-Louis | ms |
| mzn | سن لویی، رئونیون | mzn |
| nap | Saint-Louis | nap |
| Norwegian Bokmål | Saint-Louis | nb |
| Low German | Saint-Louis | nds |
| nds-nl | Saint-Louis | nds-nl |
| Dutch | Saint-Louis | nl |
| Norwegian Nynorsk | Saint-Louis | nn |
| Narom | Saint-Louis | nrm |
| Occitan (post 1500) | Saint-Louis | oc |
| pap | Saint-Louis | pap |
| pcd | Saint-Louis | pcd |
| Polish | Saint-Louis | pl |
| pms | Saint-Louis | pms |
| prg | Saint-Louis | prg |
| Portuguese | Saint-Louis | pt |
| pt-br | Saint-Louis | pt-br |
| rgn | Saint-Louis | rgn |
| Romansh | Saint-Louis | rm |
| Romanian | Saint-Louis | ro |
| Russian | Сен-Луи | ru |
| Sardinian | Saint-Louis | sc |
| Sicilian | Saint-Louis | scn |
| Scots | Saint-Louis | sco |
| sh | Saint-Louis | sh |
| Slovak | Saint-Louis | sk |
| Serbian | Сен Луј | sr |
| sr-el | Saint-Louis | sr-el |
| Swedish | Saint-Louis | sv |
| Swahili (macrolanguage) | Saint-Louis | sw |
| Turkish | Saint-Louis | tr |
| Tatar | Сен-Луи | tt |
| Ukrainian | Сен-Луї | uk |
| Urdu | سینٹ-لوئیس، رانوں | ur |
| vec | Saint-Louis | vec |
| Vietnamese | Saint-Louis | vi |
| vls | Saint-Louis | vls |
| vmf | Saint-Louis | vmf |
| Volapük | Saint-Louis | vo |
| Walloon | Saint-Louis | wa |
| war | Saint-Louis | war |
| Wolof | Saint-Louis | wo |
| yue | 聖路易斯 | yue |
| Chinese | 圣路易 | zh |
| zh-cn | 圣路易 | zh-cn |
| Zulu | Saint-Louis | zu |