| Language | Name | Code |
|---|---|---|
| Afrikaans | Differdange | af |
| Aragonese | Differdange | an |
| Asturian | Differdange | ast |
| Bavarian | Differdange | bar |
| be-tarask | Дыфэрданж | be-tarask |
| Breton | Differdange | br |
| Catalan | Differdange | ca |
| Cebuano | Differdange (kapital sa munisipyo) | ceb |
| Corsican | Differdange | co |
| Czech | Differdange | cs |
| Welsh | Differdange | cy |
| Danish | Differdange | da |
| German | Differdange | de |
| de-at | Differdange | de-at |
| de-ch | Differdange | de-ch |
| English | Differdange | en |
| en-ca | Differdange | en-ca |
| en-gb | Differdange | en-gb |
| Esperanto | Differdange | eo |
| Spanish | Differdange | es |
| Estonian | Differdange | et |
| Basque | Differdange | eu |
| Finnish | Differdange | fi |
| French | Differdange | fr |
| frp | Differdange | frp |
| fur | Differdange | fur |
| Irish | Differdange | ga |
| Scottish Gaelic | Differdange | gd |
| Galician | Differdange | gl |
| gsw | Differdange | gsw |
| Croatian | Differdange | hr |
| Hungarian | Differdange | hu |
| Interlingua (International Auxiliary Language Association) | Differdange | ia |
| Indonesian | Differdange | id |
| Interlingue | Differdange | ie |
| Ido | Differdange | io |
| Icelandic | Differdange | is |
| Italian | Differdange | it |
| Kongo | Differdange | kg |
| Luxembourgish | Déifferdeng | lb |
| Limburgan | Differdange | li |
| lij | Differdange | lij |
| Malagasy | Differdange | mg |
| min | Differdange | min |
| Malay (macrolanguage) | Differdange | ms |
| nap | Differdange | nap |
| Norwegian Bokmål | Differdange | nb |
| Low German | Differdange | nds |
| nds-nl | Differdange | nds-nl |
| Dutch | Differdange | nl |
| Norwegian Nynorsk | Differdange | nn |
| Narom | Differdange | nrm |
| Occitan (post 1500) | Differdange | oc |
| pcd | Differdange | pcd |
| Polish | Differdange | pl |
| pms | Differdange | pms |
| Portuguese | Differdange | pt |
| pt-br | Differdange | pt-br |
| Romansh | Differdange | rm |
| Romanian | Differdange | ro |
| Sardinian | Differdange | sc |
| Sicilian | Differdange | scn |
| Scots | Differdange | sco |
| Slovak | Differdange | sk |
| Slovenian | Differdange | sl |
| Serbian | Диферданж | sr |
| sr-ec | Диферданж | sr-ec |
| sr-el | Diferdanž | sr-el |
| Swedish | Differdange (kommunhuvudort) | sv |
| Swahili (macrolanguage) | Differdange | sw |
| Turkish | Differdange | tr |
| Ukrainian | Дифферданж | uk |
| vec | Differdange | vec |
| Vietnamese | Differdange | vi |
| vls | Differdange | vls |
| Volapük | Differdange | vo |
| Walloon | Differdange | wa |
| Wolof | Differdange | wo |
| Zulu | Differdange | zu |