| Language | Name | Code |
|---|---|---|
| Arabic | قزوين | ar |
| Official Aramaic (700-300 BCE) | ࡒࡀࡆࡅࡉࡍ | arc |
| arz | قزوين | arz |
| Azerbaijani | Qəzvin | az |
| azb | قزوین | azb |
| Bashkir | Ҡәзвин | ba |
| Belarusian | Казвін | be |
| be-tarask | Казьвін | be-tarask |
| Bulgarian | Казвин | bg |
| Bengali | কোয়াযভিন | bn |
| Catalan | Qazvín | ca |
| Chechen | Къазвин | ce |
| Cebuano | Dakbayan sa Qazvin | ceb |
| Central Kurdish | قەزوین | ckb |
| Czech | Kazvín | cs |
| Welsh | Qazvin | cy |
| Danish | Qazvin | da |
| German | Qazvin | de |
| Modern Greek (1453-) | Καζβίν | el |
| English | Qazvin | en |
| en-ca | Qazvin | en-ca |
| Esperanto | Kazvin | eo |
| Spanish | Qazvin | es |
| Estonian | Qazvīn | et |
| Basque | Qazvin | eu |
| Persian | قزوین | fa |
| Finnish | Qazvin | fi |
| French | Qazvin | fr |
| Irish | Qazvin | ga |
| glk | قزوين | glk |
| gsw | Qazvin | gsw |
| Gujarati | કાઝવિન | gu |
| Hebrew | קזווין | he |
| Hindi | कज़्वीन | hi |
| Croatian | Kazvin | hr |
| Hungarian | Kazvin | hu |
| Armenian | Ղազվին | hy |
| Indonesian | Qazvin | id |
| Italian | Qazvin | it |
| Japanese | ガズヴィーン | ja |
| Georgian | ყაზვინი | ka |
| Kazakh | Казвин | kk |
| kk-arab | كازۆىين | kk-arab |
| kk-cn | كازۆىين | kk-cn |
| kk-cyrl | Казвин | kk-cyrl |
| kk-kz | Казвин | kk-kz |
| kk-latn | Kazvïn | kk-latn |
| kk-tr | Kazvïn | kk-tr |
| Kannada | ಕ್ಯಾಜ್ವಿನ್ | kn |
| Korean | 카즈빈 | ko |
| Kurdish | Qazwên | ku |
| ku-arab | قازوێن | ku-arab |
| ku-latn | Qazwên | ku-latn |
| Latin | Casbinum | la |
| Lithuanian | Kazvinas | lt |
| Latvian | Kazvīna | lv |
| mdf | Казвин | mdf |
| Malagasy | Qazvin | mg |
| Maori | Qazvin | mi |
| Malayalam | ഖാസ്വിൻ | ml |
| Marathi | कॅझविन | mr |
| Malay (macrolanguage) | Qazvin | ms |
| mzn | قزوین | mzn |
| Norwegian Bokmål | Qazvin | nb |
| Dutch | Qazvin | nl |
| Ossetian | Казвин | os |
| Polish | Kazwin | pl |
| pnb | قزوین | pnb |
| Portuguese | Qazvin | pt |
| Romanian | Qazvin | ro |
| Russian | Казвин | ru |
| Scots | Qazvin | sco |
| sh | Kazvin | sh |
| Sinhala | කාස්වින් | si |
| Slovak | Kazvín | sk |
| Slovenian | Kazvin | sl |
| Serbian | Казвин | sr |
| Swedish | Qazvin | sv |
| szl | Kazwin | szl |
| Tamil | காஸ்வின் | ta |
| Telugu | కాజ్విన్ | te |
| Tajik | Қазвин | tg |
| tg-latn | Qazvin | tg-latn |
| Thai | แกซวีน | th |
| Turkish | Kazvin | tr |
| Tatar | Казвин | tt |
| Uighur | قەزۋىن | ug |
| Ukrainian | Казвін | uk |
| Urdu | قزوین | ur |
| Uzbek | Qazvin | uz |
| vec | Qazvin | vec |
| Vietnamese | Qazvin | vi |
| war | Qazvin | war |
| Wu Chinese | 加兹温 | wuu |
| xmf | ყაზვინი | xmf |
| Chinese | 加兹温 | zh |
| zh-cn | 加兹温 | zh-cn |
| zh-hans | 加兹温 | zh-hans |
| zh-hant | 加茲溫 | zh-hant |
| zh-hk | 加茲溫 | zh-hk |
| zh-sg | 加兹温 | zh-sg |
| zh-tw | 加茲溫 | zh-tw |