| Language | Name | Code |
|---|---|---|
| Afrikaans | Bonn | af |
| Amharic | ቦን | am |
| Aragonese | Bonn | an |
| Arabic | بون | ar |
| arz | بون (المانيا) | arz |
| Asturian | Bonn | ast |
| avk | Bonn | avk |
| Aymara | Bonn | ay |
| Azerbaijani | Bonn | az |
| azb | بون | azb |
| Bashkir | Бонн | ba |
| ban | Bonn | ban |
| Bavarian | Bonn | bar |
| Belarusian | Бон | be |
| be-tarask | Бон | be-tarask |
| Bulgarian | Бон | bg |
| Bengali | বন | bn |
| Tibetan | བྷོ་ཨིན། | bo |
| Breton | Bonn | br |
| Bosnian | Bonn | bs |
| Catalan | Bonn | ca |
| Chechen | Бонн | ce |
| Cebuano | Bonn | ceb |
| Central Kurdish | بۆن، ئەڵمانیا | ckb |
| Corsican | Bonn | co |
| Czech | Bonn | cs |
| Chuvash | Бонн | cv |
| Welsh | Bonn | cy |
| Danish | Bonn | da |
| German | Bonn | de |
| de-at | Bonn | de-at |
| de-ch | Bonn | de-ch |
| diq | Bonn | diq |
| Modern Greek (1453-) | Βόννη | el |
| English | Bonn | en |
| en-ca | Bonn | en-ca |
| en-gb | Bonn | en-gb |
| en-us | Bonn | en-us |
| Esperanto | Bonno | eo |
| Spanish | Bonn | es |
| Estonian | Bonn | et |
| Basque | Bonn | eu |
| ext | Bonn | ext |
| Persian | بن | fa |
| Finnish | Bonn | fi |
| fit | Bonn | fit |
| Fijian | Bonn | fj |
| Faroese | Bonn | fo |
| French | Bonn | fr |
| frp | Bonn | frp |
| frr | Bonn | frr |
| fur | Bonn | fur |
| Western Frisian | Bonn | fy |
| Irish | Bonn | ga |
| Scottish Gaelic | Bonn | gd |
| Galician | Bonn | gl |
| glk | بؤن | glk |
| got | 𐌱𐌰𐌿𐌽𐌽 | got |
| gsw | Bonn | gsw |
| Gujarati | બોન | gu |
| Manx | Bonn | gv |
| Hebrew | בון | he |
| Hindi | बॉन | hi |
| Croatian | Bonn | hr |
| Upper Sorbian | Bonn | hsb |
| Hungarian | Bonn | hu |
| Armenian | Բոնն | hy |
| Interlingua (International Auxiliary Language Association) | Bonn | ia |
| Indonesian | Bonn | id |
| Interlingue | Bonn | ie |
| Ido | Bonn | io |
| Icelandic | Bonn | is |
| Italian | Bonn | it |
| Japanese | ボン | ja |
| Javanese | Bonn | jv |
| Georgian | ბონი | ka |
| Kongo | Bonn | kg |
| Kazakh | Бонн | kk |
| Kannada | ಬಾನ್ನ್ | kn |
| Korean | 본 | ko |
| ksh | Bonn | ksh |
| Kurdish | Bonn | ku |
| Cornish | Bonn | kw |
| Kirghiz | Бонн | ky |
| Latin | Bonna | la |
| Luxembourgish | Bonn | lb |
| Limburgan | Bonn | li |
| lij | Bonn | lij |
| lld | Bonn | lld |
| lmo | Bonn | lmo |
| Lithuanian | Bona | lt |
| Latvian | Bonna | lv |
| Malagasy | Bonn | mg |
| mhr | Бонн | mhr |
| min | Bonn | min |
| Macedonian | Бон | mk |
| Malayalam | ബോൺ | ml |
| Mongolian | Бонн | mn |
| Marathi | बॉन | mr |
| Malay (macrolanguage) | Bonn | ms |
| Maltese | Bonn | mt |
| nah | Bonn | nah |
| nan | Bonn | nan |
| nap | Bonn | nap |
| Norwegian Bokmål | Bonn | nb |
| Low German | Bonn | nds |
| nds-nl | Bonn | nds-nl |
| Nepali (macrolanguage) | बोन | ne |
| Dutch | Bonn | nl |
| Norwegian Nynorsk | Bonn | nn |
| Narom | Bonn | nrm |
| Occitan (post 1500) | Bonn | oc |
| Ossetian | Бонн | os |
| Panjabi | ਬੌਨ | pa |
| pcd | Bonn | pcd |
| Polish | Bonn | pl |
| pms | Bonn | pms |
| pnb | بون | pnb |
| Pushto | بون | ps |
| Portuguese | Bona | pt |
| pt-br | Bonn | pt-br |
| Quechua | Bonn | qu |
| Romansh | Bonn | rm |
| rmf | Bonn | rmf |
| Romanian | Bonn | ro |
| Russian | Бонн | ru |
| rup | Bonn | rup |
| Sardinian | Bonn | sc |
| Sicilian | Bonn | scn |
| Scots | Bonn | sco |
| Northern Sami | Bonn | se |
| sh | Bonn | sh |
| Sinhala | බොන | si |
| sjd | Бонн | sjd |
| sje | Bonn | sje |
| sju | Bonn | sju |
| Slovak | Bonn | sk |
| Slovenian | Bonn | sl |
| sma | Bonn | sma |
| smj | Bonn | smj |
| smn | Bonn | smn |
| sms | Bonn | sms |
| Albanian | Boni | sq |
| Serbian | Бон | sr |
| sr-el | Bonn | sr-el |
| stq | Bonn | stq |
| Swedish | Bonn | sv |
| Swahili (macrolanguage) | Bonn | sw |
| szl | Bonn | szl |
| Tamil | பான் | ta |
| Telugu | బొన్ | te |
| Tetum | Bonn | tet |
| Tajik | Бонн | tg |
| Thai | บ็อน | th |
| Tagalog | Bonn | tl |
| tly | Bonn | tly |
| Turkish | Bonn | tr |
| Tatar | Бонн | tt |
| tum | Bonn | tum |
| Twi | Bonn | tw |
| udm | Бонн | udm |
| Uighur | Bonn | ug |
| Ukrainian | Бонн | uk |
| Urdu | بون | ur |
| Uzbek | Bonn | uz |
| vec | Bonn | vec |
| vep | Bonn | vep |
| Vietnamese | Bonn | vi |
| vls | Bonn | vls |
| Volapük | Bonn | vo |
| Walloon | Bonn | wa |
| war | Bonn | war |
| Wolof | Bonn | wo |
| Wu Chinese | 波恩 | wuu |
| Yiddish | באן | yi |
| yue | 波恩 | yue |
| Chinese | 波恩 | zh |
| zh-cn | 波恩 | zh-cn |
| zh-hant | 波恩 | zh-hant |
| zh-tw | 波昂 | zh-tw |
| Zulu | Bonn | zu |