| Language | Name | Code |
|---|---|---|
| Arabic | ملادا بوليسلاف | ar |
| arz | ملادا بوليسلاف | arz |
| Asturian | Mladá Boleslav | ast |
| Azerbaijani | Mlada-Boleslav | az |
| Belarusian | Млада Болеслаў | be |
| be-tarask | Млада Болеслаў | be-tarask |
| Bulgarian | Млада Болеслав | bg |
| Catalan | Mladá Boleslav | ca |
| Cebuano | Mladá Boleslav | ceb |
| Czech | Mladá Boleslav | cs |
| Welsh | Mladá Boleslav | cy |
| Danish | Mladá Boleslav | da |
| German | Mladá Boleslav | de |
| de-ch | Mladá Boleslav | de-ch |
| Modern Greek (1453-) | Μλάντα Μπόλεσλαβ | el |
| English | Mladá Boleslav | en |
| en-ca | Mladá Boleslav | en-ca |
| en-gb | Mladá Boleslav | en-gb |
| Esperanto | Mladá Boleslav | eo |
| Spanish | Mladá Boleslav | es |
| Estonian | Mladá Boleslav | et |
| Basque | Mladá Boleslav | eu |
| Persian | ملادا بلسلاو | fa |
| Finnish | Mladá Boleslav | fi |
| French | Mladá Boleslav | fr |
| Irish | Mladá Boleslav | ga |
| Hebrew | מלאדה בולסלאב | he |
| Croatian | Mladá Boleslav | hr |
| Hungarian | Mladá Boleslav | hu |
| Armenian | Մլադա Բոլեսլավ | hy |
| Indonesian | Mladá Boleslav | id |
| Interlingue | Mladá Boleslav | ie |
| Italian | Mladá Boleslav | it |
| Japanese | ムラダー・ボレスラフ | ja |
| Georgian | მლადა-ბოლესლავი | ka |
| Kazakh | Млада Болеслав | kk |
| kk-arab | ملادا بولەسلاۆ | kk-arab |
| kk-cn | ملادا بولەسلاۆ | kk-cn |
| kk-cyrl | Млада Болеслав | kk-cyrl |
| kk-kz | Млада Болеслав | kk-kz |
| kk-latn | Mlada Boleslav | kk-latn |
| kk-tr | Mlada Boleslav | kk-tr |
| Korean | 믈라다볼레슬라프 | ko |
| lmo | Mladá Boleslav | lmo |
| Lithuanian | Mlada Boleslavas | lt |
| Latvian | Mlada Boleslava | lv |
| Malay (macrolanguage) | Mladá Boleslav | ms |
| Burmese | မာဒါဘော့ဆွာ့ဖ်မြို့ | my |
| nan | Mladá Boleslav | nan |
| Norwegian Bokmål | Mladá Boleslav | nb |
| Dutch | Mladá Boleslav | nl |
| Ossetian | Младæ-Болеслав | os |
| Polish | Mladá Boleslav | pl |
| pnb | ملادا بولیسلاو | pnb |
| Portuguese | Mladá Boleslav | pt |
| pt-br | Mladá Boleslav | pt-br |
| Romanian | Mladá Boleslav | ro |
| Russian | Млада-Болеслав | ru |
| rup | Mladá Boleslav | rup |
| sh | Mladá Boleslav | sh |
| Slovak | Mladá Boleslav | sk |
| Slovenian | Mladá Boleslav | sl |
| Serbian | Млада Болеслав | sr |
| sr-ec | Млада Болеслав | sr-ec |
| sr-el | Mlada Boleslav | sr-el |
| Swedish | Mladá Boleslav | sv |
| szl | Mladá Boleslav | szl |
| Tajik | Млада-Болеслав | tg |
| tg-latn | Mlada-Boleslav | tg-latn |
| Turkish | Mladá Boleslav | tr |
| Tatar | Млада-Болеслав | tt |
| Ukrainian | Млада-Болеслав | uk |
| Urdu | ملادا بولسلاو | ur |
| Vietnamese | Mladá Boleslav | vi |
| war | Mladá Boleslav | war |
| xmf | მლადა-ბოლესლავი | xmf |
| Chinese | 姆拉達-博萊斯拉夫 | zh |
| zh-cn | 姆拉达-博莱斯拉夫 | zh-cn |
| zh-hans | 姆拉达-博莱斯拉夫 | zh-hans |
| zh-hant | 姆拉達-博萊斯拉夫 | zh-hant |
| zh-hk | 姆拉達-博萊斯拉夫 | zh-hk |
| zh-sg | 姆拉达-博莱斯拉夫 | zh-sg |
| zh-tw | 姆拉達-博萊斯拉夫 | zh-tw |