| English | eng-000 |
| Connecticut | |
| toskërishte | als-000 | Connecticut |
| Englisce sprǣc | ang-000 | Connecticut |
| العربية | arb-000 | كونيتيكت |
| العربية | arb-000 | كونيكتيكت |
| العربية | arb-000 | كُونِيتِيكَت |
| ISO 3166 alpha | art-006 | USA-CT |
| Toki Pona | art-007 | ma Kanesika |
| Universal Networking Language | art-253 | Connecticut(iof>river) |
| Universal Networking Language | art-253 | connecticut(iof>american_state>thing) |
| Universal Networking Language | art-253 | connecticut(iof>colony>thing) |
| Universal Networking Language | art-253 | connecticut(iof>river>thing) |
| ISO 3166-2 | art-416 | US-CT |
| asturianu | ast-000 | Connecticut |
| azərbaycanca | azj-000 | Konnektikut |
| тарашкевіца | bel-001 | Канэктыкут |
| বাংলা | ben-000 | কানেটিকাট |
| bosanski | bos-000 | Connecticut |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | কানেকটিকাট |
| brezhoneg | bre-000 | Connecticut |
| български | bul-000 | Кънектикът |
| català | cat-000 | Connecticut |
| čeština | ces-000 | Connecticut |
| čeština | ces-000 | stát v USA |
| чӑваш | chv-000 | Коннектикут |
| Anishinaabemowin | ciw-000 | Ginootigweyaad |
| 普通话 | cmn-000 | 康乃狄克 |
| 普通话 | cmn-000 | 康乃狄克州 |
| 普通话 | cmn-000 | 康涅狄格 |
| 普通话 | cmn-000 | 康涅狄格州 |
| 國語 | cmn-001 | 康乃狄克州 |
| 國語 | cmn-001 | 康乃狄格 |
| 國語 | cmn-001 | 康涅狄格 |
| Kernowek | cor-000 | Connecticut |
| Cymraeg | cym-000 | Connecticut |
| dansk | dan-000 | Connecticut |
| Deutsch | deu-000 | Connecticut |
| Zazaki | diq-000 | Connecticut |
| eesti | ekk-000 | Connecticut |
| English | eng-000 | CT |
| English | eng-000 | Connecticut River |
| English | eng-000 | Constitution State |
| English | eng-000 | Nutmeg State |
| Esperanto | epo-000 | Konektikuto |
| Esperanto | epo-000 | Konetikuto |
| Iñupiat | esi-000 | Connecticut |
| euskara | eus-000 | Conecticut |
| suomi | fin-000 | CT |
| suomi | fin-000 | Connecticut |
| suomi | fin-000 | Connecticut-joki |
| suomi | fin-000 | Constitution State |
| suomi | fin-000 | Nutmeg State |
| français | fra-000 | Connecticut |
| français | fra-000 | Monts d’Or |
| français | fra-000 | New Haven |
| français | fra-000 | Waterbury |
| lenga arpitana | frp-000 | Connecticut |
| Frysk | fry-000 | Konnetikut |
| Gàidhlig | gla-000 | Connecticut |
| Gaeilge | gle-000 | Connecticut |
| galego | glg-000 | Connecticut |
| kreyòl ayisyen | hat-000 | Konèktikòt |
| ʻōlelo Hawaiʻi | haw-000 | Konekikaka |
| ʻōlelo Hawaiʻi | haw-000 | Konekikuka |
| ʻōlelo Hawaiʻi | haw-000 | Konetikata |
| ʻōlelo Hawaiʻi | haw-000 | Konetikuta |
| עברית | heb-000 | קונטיקט |
| हिन्दी | hin-000 | कनेटिकट |
| हिन्दी | hin-000 | कोनेक्टीकट |
| hrvatski | hrv-000 | Connecticut |
| magyar | hun-000 | Connecticut |
| արևելահայերեն | hye-000 | Կոնեկտիկուտ |
| Ido | ido-000 | Connecticut |
| bahasa Indonesia | ind-000 | Connecticut |
| bahasa Indonesia | ind-000 | Constitution State |
| bahasa Indonesia | ind-000 | Nutmeg State |
| íslenska | isl-000 | Connecticut |
| italiano | ita-000 | Connecticut |
| 日本語 | jpn-000 | コネチカット |
| 日本語 | jpn-000 | コネチカット州 |
| 日本語 | jpn-000 | コネティカット |
| 日本語 | jpn-000 | コネティカット州 |
| 日本語 | jpn-000 | ナツメグの州 |
| 日本語 | jpn-000 | 憲法の州 |
| にほんご | jpn-002 | コネチカットしゅう |
| ქართული | kat-000 | კონექტიკუტი |
| ភាសាខ្មែរ | khm-000 | កូណិចធិខាត់ |
| Kurmancî | kmr-000 | Connecticut |
| 한국어 | kor-000 | 코네티컷 |
| 한국어 | kor-000 | 코네티컷 주 |
| Ladino | lad-001 | Connecticut |
| latine | lat-000 | Connecticuta |
| lengua lígure | lij-000 | Connecticut |
| Limburgs | lim-000 | Connecticut |
| lietuvių | lit-000 | Konektikutas |
| latviešu | lvs-000 | Konektikuta |
| മലയാളം | mal-000 | കണക്റ്റിക്കട്ട് |
| मराठी | mar-000 | कनेक्टिकट |
| македонски | mkd-000 | Конектикат |
| reo Māori | mri-000 | Connecticut |
| Tâi-gí | nan-003 | Khong-nāi-te̍k-kek liăn |
| Bân-lâm-gú | nan-005 | Connecticut |
| Diné bizaad | nav-000 | Kanédikiʼ Hahoodzo |
| Diné bizaad | nav-000 | Kanédikiʼ hahoodzo |
| Plattdüütsch | nds-000 | Connecticut |
| Nederlands | nld-000 | Connecticut |
| nynorsk | nno-000 | Connecticut |
| bokmål | nob-000 | Connecticut |
| occitan | oci-000 | Connecticut |
| ирон ӕвзаг | oss-000 | Коннектикут |
| Amanung Sisuan | pam-000 | Connecticut |
| فارسی | pes-000 | کانکتیکات |
| فارسی | pes-000 | کنتیکت |
| lenga piemontèisa | pms-000 | Connecticut |
| polski | pol-000 | Connecticut |
| português | por-000 | Connecticut |
| română | ron-000 | Connecticut |
| русский | rus-000 | Конне́ктикут |
| русский | rus-000 | Коннектикут |
| russkij | rus-001 | Konnjektikut |
| Žemaitiu | sgs-000 | Konektėkots |
| slovenčina | slk-000 | Connecticut |
| slovenščina | slv-000 | Connecticut |
| slovenščina | slv-000 | Connecticut River |
| español | spa-000 | Connecticut |
| shqip | sqi-000 | Konektikati |
| српски | srp-000 | Конектикат |
| svenska | swe-000 | Connecticut |
| தமிழ் | tam-000 | கொனெக்ரிகட் |
| ภาษาไทย | tha-000 | คอนเนคติคัท |
| ภาษาไทย | tha-000 | คอนเน็กติกัต |
| ภาษาไทย | tha-000 | มลรัฐคอนเนตทิคัต |
| ภาษาไทย | tha-000 | มลรัฐคอนเน็กติกัต |
| ภาษาไทย | tha-000 | รัฐคอนเน็กติกัต |
| ภาษาไทย | tha-000 | อาณานิคมคอนเน็กติกัต |
| ภาษาไทย | tha-000 | แม่น้ำคอนเนคติกัท |
| ภาษาไทย | tha-000 | แม่น้ำคอนเนตทิคัต |
| Türkçe | tur-000 | Connecticut |
| Uyghurche | uig-001 | Konnéktikat |
| українська | ukr-000 | Коннектикут |
| اردو | urd-000 | کنیکٹیکٹ |
| oʻzbek | uzn-000 | Konnektikut |
| tiếng Việt | vie-000 | Connecticut |
| Volapük | vol-000 | Connecticut |
| ייִדיש | ydd-000 | קאנעטיקעט |
| Bahasa Malaysia | zsm-000 | Connecticut |
| Bahasa Malaysia | zsm-000 | Constitution State |
| Bahasa Malaysia | zsm-000 | Nutmeg State |