| Language | Name | Code |
|---|---|---|
| Afrikaans | Gdynia | af |
| ang | Gdingen | ang |
| Arabic | غدينيا | ar |
| arz | جدينيا | arz |
| Asturian | Gdynia | ast |
| Azerbaijani | Qdnya | az |
| azb | قدنیا | azb |
| Belarusian | Гдыня | be |
| be-tarask | Гдыня | be-tarask |
| Bulgarian | Гдиня | bg |
| Bengali | গিদেনিয়া | bn |
| Breton | Gdynia | br |
| Catalan | Gdynia | ca |
| Chechen | Гдыня | ce |
| Cebuano | Gdynia | ceb |
| Central Kurdish | گدینیا | ckb |
| Corsican | Gdynia | co |
| crh | Gdınâ | crh |
| Czech | Gdyně | cs |
| csb | Gdiniô | csb |
| Welsh | Gdynia | cy |
| Danish | Gdynia | da |
| German | Gdynia | de |
| diq | Gdynia | diq |
| dsb | Gdynia | dsb |
| Modern Greek (1453-) | Γκντίνια | el |
| English | Gdynia | en |
| en-ca | Gdynia | en-ca |
| en-gb | Gdynia | en-gb |
| Esperanto | Gdynia | eo |
| Spanish | Gdynia | es |
| Estonian | Gdynia | et |
| Basque | Gdynia | eu |
| Persian | گدنیا | fa |
| Finnish | Gdynia | fi |
| French | Gdynia | fr |
| Western Frisian | Gdynia | fy |
| Irish | Gdynia | ga |
| Galician | Gdynia | gl |
| gsw | Gdynia | gsw |
| Gujarati | ગડીન્યા | gu |
| Manx | Gdynia | gv |
| hak | Kak-tên-nì-â | hak |
| Hebrew | גדיניה | he |
| Hindi | दीनिया | hi |
| Croatian | Gdynia | hr |
| Upper Sorbian | Gdynia | hsb |
| Hungarian | Gdynia | hu |
| Armenian | Գդինյա | hy |
| hyw | Կտինեա | hyw |
| Indonesian | Gdynia | id |
| Interlingue | Gdynia | ie |
| Ido | Gdynia | io |
| Italian | Gdynia | it |
| Japanese | グディニャ | ja |
| Javanese | Gdynia | jv |
| Georgian | გდინია | ka |
| Kannada | ಗಡಿಣ್ಯ | kn |
| Korean | 그디니아 | ko |
| Kirghiz | Гдыня | ky |
| Latin | Civitas Gdinensis | la |
| lmo | Gdynia | lmo |
| Lithuanian | Gdynė | lt |
| Latvian | Gdiņa | lv |
| Macedonian | Гдиња | mk |
| Marathi | गडिन्या | mr |
| Malay (macrolanguage) | Gdynia | ms |
| Maltese | Gdynia | mt |
| Nauru | Gdynia | na |
| nan | Gdynia | nan |
| Norwegian Bokmål | Gdynia | nb |
| Low German | Gdingen | nds |
| Dutch | Gdynia | nl |
| Norwegian Nynorsk | Gdynia | nn |
| Occitan (post 1500) | Gdiniô | oc |
| Ossetian | Гдыня | os |
| Polish | Gdynia | pl |
| Portuguese | Gdynia | pt |
| pt-br | Gdynia | pt-br |
| Quechua | Gdynia | qu |
| Romanian | Gdynia | ro |
| Russian | Гдыня | ru |
| Scots | Gdynia | sco |
| sh | Gdynia | sh |
| Sinhala | ග්ඩ්නියා | si |
| Slovak | Gdyňa | sk |
| Slovenian | Gdynia | sl |
| Albanian | Gdynia | sq |
| Serbian | Гдиња | sr |
| Swedish | Gdynia | sv |
| Swahili (macrolanguage) | Gdynia | sw |
| szl | Gdyńa | szl |
| Tamil | கிடைனியா | ta |
| Telugu | గేడిన్యా | te |
| Tajik | Гдиня | tg |
| Thai | กดือญา | th |
| Turkish | Gdynia | tr |
| Tatar | Гдынә | tt |
| tt-cyrl | Гдынә | tt-cyrl |
| udm | Гдыня | udm |
| Ukrainian | Гдиня | uk |
| Urdu | گدنیا | ur |
| Uzbek | Gdinya | uz |
| vec | Gdynia | vec |
| Vietnamese | Gdynia | vi |
| Volapük | Gdynia | vo |
| war | Gdynia | war |
| Wu Chinese | 格丁尼亚 | wuu |
| yue | 格丁尼亞 | yue |
| Chinese | 格丁尼亚 | zh |
| zh-cn | 格丁尼亚 | zh-cn |
| zh-hans | 格丁尼亚 | zh-hans |
| zh-hant | 格丁尼亚 | zh-hant |