| Language | Name | Code |
|---|---|---|
| Afrikaans | Delft | af |
| Arabic | دلفت | ar |
| ary | ديلفت | ary |
| arz | دلفت | arz |
| Asturian | Delft | ast |
| Azerbaijani | Delft | az |
| ban | Delft | ban |
| Belarusian | Дэлфт | be |
| be-tarask | Дэльфт | be-tarask |
| Bulgarian | Делфт | bg |
| Bengali | ডেলফট | bn |
| Breton | Delft | br |
| Catalan | Delft | ca |
| Cebuano | Gemeente Delft | ceb |
| Central Kurdish | دێڵفت | ckb |
| Corsican | Delft | co |
| Czech | Delft | cs |
| Chuvash | Делфт | cv |
| Welsh | Delft | cy |
| Danish | Delft | da |
| German | Delft | de |
| Modern Greek (1453-) | Ντελφτ | el |
| English | Delft | en |
| en-gb | Delft | en-gb |
| Esperanto | Delft | eo |
| Spanish | Delft | es |
| Estonian | Delft | et |
| Basque | Delft | eu |
| Persian | دلفت | fa |
| Finnish | Delft | fi |
| French | Delft | fr |
| Western Frisian | Delft | fy |
| Irish | Delft | ga |
| Scottish Gaelic | Delft | gd |
| Galician | Delft | gl |
| Gujarati | ડેલ્ફ્ટ | gu |
| Manx | Delft | gv |
| Hebrew | דלפט | he |
| Hindi | डेल्फ़्ट | hi |
| Hungarian | Delft | hu |
| Armenian | Դելֆտ | hy |
| hyw | Տելգդ | hyw |
| Indonesian | Delft | id |
| Ido | Delft | io |
| Icelandic | Delft | is |
| Italian | Delft | it |
| Japanese | デルフト | ja |
| Javanese | Delft | jv |
| Georgian | დელფტი | ka |
| Kazakh | Делфт | kk |
| Kannada | ಡೆಲ್ಫ್ಟ್ | kn |
| Korean | 델프트 | ko |
| Kurdish | Delft | ku |
| Latin | Delphi | la |
| Luxembourgish | Delft | lb |
| lfn | Delft | lfn |
| Limburgan | Delft | li |
| Lithuanian | Delftas | lt |
| Latvian | Delfta | lv |
| mdf | Дэльфт | mdf |
| Macedonian | Делфт | mk |
| Marathi | डेल्फ़्ट | mr |
| Malay (macrolanguage) | Delft | ms |
| Maltese | Delft | mt |
| Norwegian Bokmål | Delft | nb |
| nds-nl | Delft | nds-nl |
| Nepali (macrolanguage) | डेल्फ्ट | ne |
| Dutch | Delft | nl |
| Norwegian Nynorsk | Delft | nn |
| Occitan (post 1500) | Delft | oc |
| Polish | Delft | pl |
| pms | Delft | pms |
| pnb | ڈیلفٹ | pnb |
| Pushto | دِلفت | ps |
| Portuguese | Delft | pt |
| Quechua | Delft | qu |
| Romanian | Delft | ro |
| Russian | Делфт | ru |
| rue | Делфт | rue |
| Scots | Delft | sco |
| sh | Delft | sh |
| Sinhala | ඩෙල්ෆ්ට් | si |
| Slovak | Delft | sk |
| Slovenian | Delft | sl |
| Albanian | Delft | sq |
| Serbian | Делфт | sr |
| stq | Delft | stq |
| Swedish | Delft | sv |
| Swahili (macrolanguage) | Delft | sw |
| szl | Delft | szl |
| Tamil | டெல்ஃப்ட் | ta |
| Telugu | డెల్ఫ్ట్ | te |
| Tajik | Делфт | tg |
| Thai | เดลฟท์ | th |
| tok | ma tomo Te | tok |
| Turkish | Delft | tr |
| Tatar | Делфт | tt |
| Ukrainian | Делфт | uk |
| Urdu | دیلفت | ur |
| vec | Delft (Paéxi Basi) | vec |
| Vietnamese | Delft | vi |
| vls | Delft | vls |
| Volapük | Delft | vo |
| war | Delft | war |
| Wu Chinese | 代尔夫特 | wuu |
| Yiddish | דעלפט | yi |
| yue | 德爾夫特 | yue |
| zea | Delft | zea |
| Chinese | 代尔夫特 | zh |
| zh-hant | 代爾夫特 | zh-hant |