| Esperanto | epo-000 |
| Respubliko Kongo | |
| Afrikaans | afr-000 | Republiek van die Kongo |
| toskërishte | als-000 | Republika e Kongos |
| አማርኛ | amh-000 | ኮንጎ ሪፐብሊክ |
| አማርኛ | amh-000 | ኮንጎ ሪፑብሊክ |
| العربية | arb-000 | جمهورية الكونغو |
| العربية | arb-000 | جُمْهُورِيَّة اَلْكُونْغُو |
| luenga aragonesa | arg-000 | Republica d’o Congo |
| ISO 3166 alpha | art-006 | CG |
| asturianu | ast-000 | Congo |
| azərbaycanca | azj-000 | Konqo |
| беларуская | bel-000 | Рэспу́бліка Ко́нга |
| тарашкевіца | bel-001 | Рэспубліка Конга |
| বাংলা | ben-000 | কঙ্গো |
| বাংলা | ben-000 | কঙ্গো প্রজাতন্ত্র |
| བོད་སྐད་ | bod-000 | ཀོང་ཀོ |
| bosanski | bos-000 | Republika Kongo |
| বিষ্ণুপ্রিয়া মণিপুরী ভাষা | bpy-000 | কঙ্গো প্রজাতন্ত্র |
| brezhoneg | bre-000 | Republik Kongo |
| български | bul-000 | Република Конго |
| català | cat-000 | República del Congo |
| čeština | ces-000 | Republika Kongo |
| 普通话 | cmn-000 | 刚果共和国 |
| 國語 | cmn-001 | 剛果共和國 |
| Kernowek | cor-000 | Repoblek Kongo |
| Qırımtatar tili | crh-000 | Kongo |
| Cymraeg | cym-000 | Gweriniaeth y Congo |
| dansk | dan-000 | Republikken Congo |
| Deutsch | deu-000 | Republik Kongo |
| Zazaki | diq-000 | Kongo |
| ދިވެހިބަސް | div-000 | ކޮންގޯ |
| eesti | ekk-000 | Kongo Vabariik |
| ελληνικά | ell-000 | Δημοκρατία του Κονγκό |
| English | eng-000 | Republic of the Congo |
| Esperanto | epo-000 | Kongo |
| Esperanto | epo-000 | Kongo Brazavila |
| euskara | eus-000 | Kongoko Errepublika |
| suomi | fin-000 | Kongon tasavalta |
| français | fra-000 | République du Congo |
| lenga arpitana | frp-000 | Rèpublica du Congô |
| Gàidhlig | gla-000 | Poblachd na Congo |
| Gaeilge | gle-000 | Poblacht an Chongó |
| galego | glg-000 | Congo |
| yn Ghaelg | glv-000 | Pobblaght yn Chongo |
| kreyòl ayisyen | hat-000 | Kongo |
| Srpskohrvatski | hbs-001 | Republika Kongo |
| עברית | heb-000 | הרפובליקה של קונגו |
| हिन्दी | hin-000 | कांगो गणराज्य |
| hrvatski | hrv-000 | Republika Kongo |
| magyar | hun-000 | Kongói Köztársaság |
| արևելահայերեն | hye-000 | Կոնգոյի Հանրապետություն |
| Ido | ido-000 | Republiko Kongo |
| Interlingue | ile-000 | Republic de Congo |
| interlingua | ina-000 | Republica del Congo |
| íslenska | isl-000 | Vestur-Kongó |
| italiano | ita-000 | Repubblica del Congo |
| basa Jawa | jav-000 | Republik Kongo |
| 日本語 | jpn-000 | コンゴ共和国 |
| ქართული | kat-000 | კონგოს რესპუბლიკა |
| қазақ | kaz-000 | Конго Республикасы |
| kikongo | kon-000 | Repubilika ya Kongo |
| 한국어 | kor-000 | ^콩고 공화국 |
| 한국어 | kor-000 | 콩고 공화국 |
| latine | lat-000 | Respublica Congensis |
| lengua lígure | lij-000 | Repubbrica Do Congo |
| lingála | lin-000 | Kongó-Brazzaville |
| lietuvių | lit-000 | Kongo Respublika |
| latviešu | lvs-000 | Kongo |
| മലയാളം | mal-000 | റിപ്പബ്ലിക്ക് ഓഫ് കോംഗോ |
| македонски | mkd-000 | Република Конго |
| Bân-lâm-gú | nan-005 | Congo Kiōng-hô-kok |
| dorerin Naoero | nau-000 | Republik Congo |
| Plattdüütsch | nds-000 | Republiek Kongo |
| Nederlands | nld-000 | Congo-Brazzaville |
| nynorsk | nno-000 | Kongo-Brazzaville |
| bokmål | nob-000 | Republikken Kongo |
| Novial | nov-000 | Kongo |
| occitan | oci-000 | Republica de Còngo |
| Amanung Sisuan | pam-000 | Republic of the Congo |
| پښتو ژبه | pbu-000 | د کانګو جمهوريت |
| فارسی | pes-000 | جمهوری کنگو |
| lenga piemontèisa | pms-000 | Còngo |
| polski | pol-000 | Kongo |
| português | por-000 | Congo |
| português | por-000 | República do Congo |
| Runa Simi | que-000 | Kungu Republika |
| română | ron-000 | Republica Congo |
| русский | rus-000 | Респу́блика Ко́нго |
| русский | rus-000 | Республика Конго |
| lingua siciliana | scn-000 | Concu |
| Žemaitiu | sgs-000 | Kuongs |
| slovenčina | slk-000 | Kongo |
| slovenščina | slv-000 | Republika Kongo |
| davvisámegiella | sme-000 | Kongo dásseváldi |
| español | spa-000 | República del Congo |
| српски | srp-000 | Република Конго |
| svenska | swe-000 | Kongo-Brazzaville |
| Kiswahili | swh-000 | Jamhuri ya Kongo |
| தமிழ் | tam-000 | கொங்கோ குடியரசு |
| తెలుగు | tel-000 | కాంగో రిపబ్లిక్ |
| тоҷикӣ | tgk-000 | Ҷумҳӯрии Конго |
| Tagalog | tgl-000 | Republika ng Congo |
| ภาษาไทย | tha-000 | สาธารณรัฐคองโก |
| xiTsonga | tso-000 | Republic of the Congo |
| Türkçe | tur-000 | Kongo Cumhuriyeti |
| українська | ukr-000 | Респу́бліка Ко́нго |
| українська | ukr-000 | Республіка Конго |
| oʻzbek | uzn-000 | Kongo Respublikasi |
| łéngua vèneta | vec-000 | Republica del Congo |
| tiếng Việt | vie-000 | Cộng hoà Congo |
| tiếng Việt | vie-000 | Cộng hòa Congo |
| Volapük | vol-000 | Kongoän |
| kàllaama wolof | wol-000 | Kongóo-Brasaawiil |
| Bahasa Malaysia | zsm-000 | Republik Congo |