| Language | Name | Code |
|---|---|---|
| Afrikaans | Thunder Bay | af |
| Arabic | ثاندر باي | ar |
| arz | ثاندر باى | arz |
| Asturian | Thunder Bay | ast |
| atj | Thunder Bay | atj |
| azb | ثاندر بی | azb |
| Bavarian | Thunder Bay | bar |
| Belarusian | Тандэр-Бэй | be |
| be-tarask | Тандэр-Бэй | be-tarask |
| Bulgarian | Тъндърбей | bg |
| Bengali | থান্ডার বে | bn |
| Catalan | Thunder Bay | ca |
| Cebuano | Thunder Bay | ceb |
| Czech | Thunder Bay | cs |
| Welsh | Thunder Bay | cy |
| Danish | Thunder Bay | da |
| German | Thunder Bay | de |
| diq | Thunder Bay | diq |
| Modern Greek (1453-) | Θάντερ Μπέι | el |
| English | Thunder Bay | en |
| Esperanto | Thunder Bay | eo |
| Spanish | Thunder Bay | es |
| Estonian | Thunder Bay | et |
| Basque | Thunder Bay | eu |
| Persian | ثاندر بی | fa |
| Finnish | Thunder Bay | fi |
| fit | Thunder Bay | fit |
| French | Thunder Bay | fr |
| Irish | Thunder Bay | ga |
| Gujarati | થન્ડર બે | gu |
| Hebrew | ת'אנדר ביי | he |
| Hindi | थंडर बे | hi |
| Hungarian | Thunder Bay | hu |
| Armenian | Թանդեր Բեյ | hy |
| Indonesian | Thunder Bay | id |
| Ido | Thunder Bay | io |
| Italian | Thunder Bay | it |
| Japanese | サンダーベイ | ja |
| Kannada | ಥಂಡರ್ ಬೇ | kn |
| Korean | 선더베이 | ko |
| Kurdish | Thunder Bay | ku |
| Lithuanian | Tander Bėjus | lt |
| Latvian | Tanderbeja | lv |
| Malayalam | തണ്ടർ ബേ | ml |
| Marathi | थंडर बे | mr |
| Malay (macrolanguage) | Thunder Bay | ms |
| Norwegian Bokmål | Thunder Bay | nb |
| Dutch | Thunder Bay | nl |
| Norwegian Nynorsk | Thunder Bay | nn |
| Occitan (post 1500) | Thunder Bay | oc |
| Ossetian | Тандер-Бей | os |
| Polish | Thunder Bay | pl |
| pnb | تھنڈر بے | pnb |
| Portuguese | Thunder Bay | pt |
| Russian | Тандер-Бей | ru |
| sh | Thunder Bay | sh |
| Sinhala | තන්ඩර් බේ | si |
| Slovak | Thunder Bay | sk |
| Slovenian | Thunder Bay | sl |
| Albanian | Thunder Bay | sq |
| Serbian | Тандер Беј | sr |
| Swedish | Thunder Bay | sv |
| Swahili (macrolanguage) | Thunder Bay | sw |
| Tamil | தண்டர் பே | ta |
| Telugu | థండర్ బే | te |
| Thai | ธันเดอร์เบย์ | th |
| Tagalog | Thunder Bay | tl |
| Turkish | Thunder Bay | tr |
| Tatar | Тандер-Бей | tt |
| Ukrainian | Тандер-Бей | uk |
| Urdu | تھنڈربے | ur |
| vec | Thunder Bay | vec |
| Vietnamese | Thunder Bay | vi |
| Volapük | Thunder Bay | vo |
| war | Thunder Bay | war |
| Chinese | 桑德贝 | zh |
| zh-cn | 桑德贝 | zh-cn |
| zh-hans | 桑德贝 | zh-hans |
| zh-hant | 珊德灣 | zh-hant |