| Language | Name | Code |
|---|---|---|
| Afrikaans | Krefeld | af |
| Aragonese | Krefeld | an |
| Arabic | كريفلد | ar |
| arz | كريفيلد | arz |
| Asturian | Krefeld | ast |
| avk | Krefeld | avk |
| Azerbaijani | Krefeld | az |
| azb | کرفلد | azb |
| Bashkir | Крефельд | ba |
| ban | Krefeld | ban |
| Bavarian | Krefeld | bar |
| Belarusian | Крэфельд | be |
| be-tarask | Крэфэльд | be-tarask |
| Bulgarian | Крефелд | bg |
| Bengali | ক্রেফেল্ড | bn |
| Breton | Krefeld | br |
| Catalan | Krefeld | ca |
| Cebuano | Krefeld (kapital sa distrito) | ceb |
| Central Kurdish | کرێفێلد | ckb |
| Corsican | Krefeld | co |
| Czech | Krefeld | cs |
| Welsh | Krefeld | cy |
| Danish | Krefeld | da |
| German | Krefeld | de |
| de-at | Krefeld | de-at |
| de-ch | Krefeld | de-ch |
| diq | Krefeld | diq |
| Modern Greek (1453-) | Κρέφελντ | el |
| English | Krefeld | en |
| en-ca | Krefeld | en-ca |
| en-gb | Krefeld | en-gb |
| Esperanto | Krefeld | eo |
| Spanish | Krefeld | es |
| Estonian | Krefeld | et |
| Basque | Krefeld | eu |
| Persian | کرفلد | fa |
| Finnish | Krefeld | fi |
| Fijian | Krefeld | fj |
| French | Krefeld | fr |
| frp | Krefeld | frp |
| frr | Krefeld | frr |
| fur | Krefeld | fur |
| Western Frisian | Krefeld | fy |
| Irish | Krefeld | ga |
| Scottish Gaelic | Krefeld | gd |
| Galician | Krefeld | gl |
| gsw | Krefeld | gsw |
| Gujarati | ક્રેફેલ્ડ | gu |
| Hausa | Krefeld | ha |
| Hebrew | קרפלד | he |
| Hindi | क्रेफ़ेल्ड | hi |
| Croatian | Krefeld | hr |
| Hungarian | Krefeld | hu |
| Armenian | Կրեֆելդ | hy |
| Interlingua (International Auxiliary Language Association) | Krefeld | ia |
| Indonesian | Krefeld | id |
| Interlingue | Krefeld | ie |
| Ido | Krefeld | io |
| Icelandic | Krefeld | is |
| Italian | Krefeld | it |
| Japanese | クレーフェルト | ja |
| Georgian | კრეფელდი | ka |
| Kongo | Krefeld | kg |
| Kazakh | Крефельд | kk |
| Kannada | ಕ್ರೆಫಲ್ಡ್ | kn |
| Korean | 크레펠트 | ko |
| ksh | Krefeld | ksh |
| Kurdish | Krefeld | ku |
| Kirghiz | Крефельд | ky |
| Latin | Crefeldia | la |
| Luxembourgish | Krefeld | lb |
| Limburgan | Krefeld | li |
| lij | Krefeld | lij |
| lld | Krefeld | lld |
| Lithuanian | Krėfeldas | lt |
| Latvian | Krēfelde | lv |
| Malagasy | Krefeld | mg |
| min | Krefeld | min |
| Macedonian | Крефелд | mk |
| Marathi | क्रेफेल्ड | mr |
| Malay (macrolanguage) | Krefeld | ms |
| nan | Krefeld | nan |
| nap | Krefeld | nap |
| Norwegian Bokmål | Krefeld | nb |
| Low German | Krefeld | nds |
| nds-nl | Krefeld | nds-nl |
| Dutch | Krefeld | nl |
| Norwegian Nynorsk | Krefeld | nn |
| Narom | Krefeld | nrm |
| Occitan (post 1500) | Krefeld | oc |
| Ossetian | Крефельд | os |
| pcd | Krefeld | pcd |
| pdc | Krefeld | pdc |
| Polish | Krefeld | pl |
| pms | Krefeld | pms |
| pnb | کریفیلڈ | pnb |
| Portuguese | Krefeld | pt |
| pt-br | Krefeld | pt-br |
| Romansh | Krefeld | rm |
| Romanian | Krefeld | ro |
| Russian | Крефельд | ru |
| Sardinian | Krefeld | sc |
| Sicilian | Krefeld | scn |
| Scots | Krefeld | sco |
| sh | Krefeld | sh |
| Sinhala | ක්රෙෆෙල්ඩ් | si |
| Slovak | Krefeld | sk |
| Slovenian | Krefeld | sl |
| Serbian | Крефелд | sr |
| sr-el | Krefeld | sr-el |
| stq | Krefeld | stq |
| Swedish | Krefeld | sv |
| Swahili (macrolanguage) | Krefeld | sw |
| szl | Krefeld | szl |
| Tamil | க்ரெஃபெல்ட் | ta |
| Telugu | క్రేఫెల్డ్ | te |
| Thai | เครเฟ็ลท์ | th |
| Turkish | Krefeld | tr |
| Tatar | Крефелд | tt |
| tum | Krefeld | tum |
| Ukrainian | Крефельд | uk |
| Urdu | کریفیلد | ur |
| Uzbek | Krefeld | uz |
| vec | Krefeld | vec |
| vep | Krefel'd | vep |
| Vietnamese | Krefeld | vi |
| vls | Krefeld | vls |
| Volapük | Krefeld | vo |
| Walloon | Krefeld | wa |
| war | Krefeld | war |
| Wolof | Krefeld | wo |
| Wu Chinese | 克雷费尔德 | wuu |
| yue | 克雷菲爾德 | yue |
| Chinese | 克雷费尔德 | zh |
| zh-cn | 克雷费尔德 | zh-cn |
| zh-hant | 克雷費爾德 | zh-hant |
| Zulu | Krefeld | zu |