| Language | Name | Code |
|---|---|---|
| Amharic | ሺካጎ | am |
| Aragonese | Chicago | an |
| ang | Chicago | ang |
| Arabic | شيكاغو | ar |
| Official Aramaic (700-300 BCE) | ܫܝܩܓܘ | arc |
| arz | شيكاجو | arz |
| Assamese | চিকাগো | as |
| Asturian | Chicago | ast |
| atj | Chicago | atj |
| Azerbaijani | Çikaqo | az |
| azb | شیکاقو | azb |
| Bashkir | Чикаго | ba |
| ban | Chicago | ban |
| Bavarian | Chicago | bar |
| bcl | Chicago | bcl |
| Belarusian | Чыкага | be |
| be-tarask | Чыкага | be-tarask |
| Bulgarian | Чикаго | bg |
| bho | शिकागो | bho |
| Bengali | শিকাগো | bn |
| bxr | Чикаго | bxr |
| Catalan | Chicago | ca |
| cbk-zam | Chicago | cbk-zam |
| cdo | Chicago | cdo |
| Chechen | Чикаго | ce |
| Cebuano | Chicago | ceb |
| chr | Chicago | chr |
| chy | Chicago | chy |
| Central Kurdish | شیکاگۆ | ckb |
| Corsican | Chicago | co |
| crh | Çikago | crh |
| crh-latn | Çikago | crh-latn |
| Czech | Chicago | cs |
| Chuvash | Чикаго | cv |
| Welsh | Chicago | cy |
| Danish | Chicago | da |
| dag | Chicago | dag |
| German | Chicago | de |
| de-ch | Chicago | de-ch |
| diq | Chicago | diq |
| dsb | Chicago | dsb |
| dty | शिकागो | dty |
| Modern Greek (1453-) | Σικάγο | el |
| eml | Chicago | eml |
| English | Chicago | en |
| en-ca | Chicago | en-ca |
| en-gb | Chicago | en-gb |
| Esperanto | Ĉikago | eo |
| Spanish | Chicago | es |
| Estonian | Chicago | et |
| Basque | Chicago | eu |
| ext | Chicago | ext |
| Persian | شیکاگو | fa |
| Fulah | Chicago | ff |
| Finnish | Chicago | fi |
| French | Chicago | fr |
| frp | Chicagô | frp |
| Western Frisian | Chicago | fy |
| Irish | Chicago | ga |
| gag | Chicago | gag |
| gan | 芝加哥 | gan |
| Galician | Chicago | gl |
| glk | شيکاگؤ (ايلينؤی) | glk |
| Guaraní | Chikago | gn |
| got | 𐍄𐍃𐌾𐌹𐌺𐌰𐌲𐍉 | got |
| Gujarati | શિકાગો | gu |
| Manx | Chicago | gv |
| Hausa | Chicago | ha |
| hak | Chicago | hak |
| haw | Kikako, ʻIlinoe | haw |
| Hebrew | שיקגו | he |
| Hindi | शिकागो | hi |
| Haitian | Chikago | ht |
| Hungarian | Chicago | hu |
| Armenian | Չիկագո | hy |
| hyw | Շիքակօ | hyw |
| Indonesian | Chicago | id |
| Interlingue | Chicago | ie |
| Igbo | Chicago | ig |
| ilo | Chicago | ilo |
| Ido | Chicago | io |
| Icelandic | Chicago | is |
| Italian | Chicago | it |
| Inuktitut | ᓰᖄᑯ | iu |
| Japanese | シカゴ | ja |
| jam | Chikaago | jam |
| Georgian | ჩიკაგო | ka |
| kaa | Shikago | kaa |
| Kazakh | Чикаго | kk |
| kk-cyrl | Чикаго | kk-cyrl |
| Kalaallisut | Chicago | kl |
| Kannada | ಶಿಕಾಗೊ | kn |
| Korean | 시카고 | ko |
| krc | Чикаго | krc |
| Kurdish | Chicago | ku |
| Cornish | Chicago | kw |
| Kirghiz | Чикаго | ky |
| Latin | Sicagum | la |
| Luxembourgish | Chicago | lb |
| lmo | Chicago | lmo |
| Lingala | Chicago | ln |
| Lithuanian | Čikaga | lt |
| Latvian | Čikāga | lv |
| lzh | 芝加哥 | lzh |
| mdf | Чикаго | mdf |
| mhr | Чикаго | mhr |
| Maori | Chicago | mi |
| Macedonian | Чикаго | mk |
| Malayalam | ഷിക്കാഗോ | ml |
| Mongolian | Чикаго | mn |
| Marathi | शिकागो | mr |
| mrj | Чикаго | mrj |
| Malay (macrolanguage) | Chicago | ms |
| ms-arab | شيکاݢو | ms-arab |
| Maltese | Chicago | mt |
| mul | Chicago | mul |
| Burmese | ရှီကာဂိုမြို့ | my |
| myv | Чикаго | myv |
| mzn | شیکاگو | mzn |
| Nauru | Chicago | na |
| nah | Chicago | nah |
| nan | Chicago | nan |
| nap | Chicago | nap |
| Norwegian Bokmål | Chicago | nb |
| Low German | Chicago | nds |
| nds-nl | Chicago | nds-nl |
| Nepali (macrolanguage) | शिकागो | ne |
| new | शिकागो | new |
| Dutch | Chicago | nl |
| Norwegian Nynorsk | Chicago | nn |
| nov | Chicago | nov |
| Navajo | Shikááʼgóó | nv |
| Chichewa | Chicago | ny |
| Occitan (post 1500) | Chicago | oc |
| Livvi | Chicago | olo |
| Ossetian | Чикаго | os |
| Panjabi | ਸ਼ਿਕਾਗੋ | pa |
| pag | Chicago | pag |
| Pampanga | Chicago | pam |
| pap | Chicago | pap |
| pcd | Chicago | pcd |
| pdc | Chicago | pdc |
| pfl | Chicago | pfl |
| Polish | Chicago | pl |
| pms | Chicago | pms |
| pnb | شکاگو | pnb |
| Pushto | شیکاګو | ps |
| Portuguese | Chicago | pt |
| pt-br | Chicago | pt-br |
| Quechua | Chicago | qu |
| Romansh | Chicago | rm |
| rmy | Chicago | rmy |
| Rundi | Chicago | rn |
| Romanian | Chicago | ro |
| roa-tara | Chicago | roa-tara |
| Russian | Чикаго | ru |
| rue | Чикаго | rue |
| sah | Чикаго | sah |
| Sardinian | Chicago | sc |
| Sicilian | Chicagu | scn |
| Scots | Chicago | sco |
| Sindhi | شڪاگو | sd |
| Northern Sami | Chicago | se |
| Sango | Chicago | sg |
| sgs | Čėkaga | sgs |
| sh | Chicago | sh |
| Sinhala | චිකාගෝව | si |
| sjd | Чикаго | sjd |
| sje | Chicago | sje |
| sju | Chicago | sju |
| Slovak | Chicago | sk |
| Slovenian | Chicago | sl |
| Albanian | Chicago | sq |
| Serbian | Чикаго | sr |
| sr-ec | Чикаго | sr-ec |
| stq | Chicago | stq |
| Swedish | Chicago | sv |
| Swahili (macrolanguage) | Chicago | sw |
| szl | Chicago | szl |
| Tamil | சிகாகோ | ta |
| Telugu | చికాగో | te |
| Tetum | Chicago | tet |
| Tajik | Чикаго | tg |
| tg-cyrl | Чикаго | tg-cyrl |
| Thai | ชิคาโก | th |
| Turkmen | Çikago | tk |
| Tagalog | Chicago | tl |
| tly | Çikaqo | tly |
| Tok Pisin | Chicago | tpi |
| Turkish | Şikago | tr |
| Tatar | Чикаго | tt |
| Twi | Chicago | tw |
| Tahitian | Chicago | ty |
| udm | Чикаго | udm |
| Uighur | Chikago | ug |
| Ukrainian | Чикаго | uk |
| Urdu | شکاگو | ur |
| Uzbek | Chikago | uz |
| vec | Chicago | vec |
| vep | Čikago | vep |
| Walloon | Tchicago | wa |
| Wu Chinese | 契卡格 | wuu |
| xal | Чикаго | xal |
| Xhosa | E-Chicago | xh |
| xmf | ჩიკაგო | xmf |
| Yiddish | שיקאגא | yi |
| Yoruba | Ṣìkágò | yo |
| yue | 芝加哥 | yue |
| Zhuang | Cihgyahgoh | za |
| zea | Chicago | zea |
| Chinese | 芝加哥 | zh |
| zh-cn | 芝加哥 | zh-cn |
| zh-hans | 芝加哥 | zh-hans |
| zh-hant | 芝加哥 | zh-hant |
| zh-hk | 芝加哥 | zh-hk |
| zh-mo | 芝加哥 | zh-mo |
| zh-my | 芝加哥 | zh-my |
| zh-sg | 芝加哥 | zh-sg |
| zh-tw | 芝加哥 | zh-tw |
| Zulu | Chicago | zu |