| English | eng-000 |
| Kongo | |
| Afrikaans | afr-000 | Kongolees |
| አማርኛ | amh-000 | ኮንጎኛ |
| العربية | arb-000 | الكونغو |
| ISO 639-3 | art-001 | kon |
| ISO 639-2/B | art-003 | kon |
| ISO 639-1 | art-004 | kg |
| ISO 639 | art-005 | kon |
| ISO 639-PanLex | art-274 | kon-000 |
| ISO 639-3 Inverted Names | art-291 | Kongo |
| ISO 12620 | art-317 | kongo |
| IETF language tags | art-420 | kg |
| asturianu | ast-000 | congo |
| asturianu | ast-000 | kikongo |
| asturianu | ast-000 | kongo |
| azərbaycanca | azj-000 | konqo |
| azərbaycanca | azj-000 | konqo dili |
| বাংলা | ben-000 | কঙ্গো |
| বাংলা | ben-000 | কোঙ্গো |
| bosanski | bos-000 | kongo |
| босански | bos-001 | конго |
| brezhoneg | bre-000 | kongo |
| brezhoneg | bre-000 | kongoeg |
| बरʼ | brx-000 | कॉंगो |
| български | bul-000 | конгоански |
| català | cat-000 | kongo |
| čeština | ces-000 | konžština |
| 普通话 | cmn-000 | 刚果人 |
| 普通话 | cmn-000 | 刚果文 |
| 普通话 | cmn-000 | 刚果语 |
| 國語 | cmn-001 | 剛果人 |
| 國語 | cmn-001 | 剛果文 |
| Cymraeg | cym-000 | Congo |
| dansk | dan-000 | kikongo |
| dansk | dan-000 | kongo |
| Deutsch | deu-000 | Kikongo |
| Deutsch | deu-000 | Kongo |
| Deutsch | deu-000 | Kongolesisch |
| eesti | ekk-000 | kongo |
| eesti | ekk-000 | kongo keel |
| ελληνικά | ell-000 | Κονγκό |
| English | eng-000 | Congo |
| English | eng-000 | Kikongo |
| English | eng-000 | Kongo language |
| euskara | eus-000 | Kikongoa |
| Ɛʋɛgbɛ | ewe-000 | kongogbe |
| Wikang Filipino | fil-000 | Kongo |
| suomi | fin-000 | kongo |
| suomi | fin-000 | kongon kieli |
| français | fra-000 | Système à répertoires |
| français | fra-000 | kikongo |
| français | fra-000 | kongo |
| Frysk | fry-000 | Kongo |
| Gàidhlig | gla-000 | Kongo |
| Gaeilge | gle-000 | Congóis |
| galego | glg-000 | kongo |
| Schwizerdütsch | gsw-000 | Kongolesisch |
| ગુજરાતી | guj-000 | કોંગો |
| עברית | heb-000 | קונגו |
| हिन्दी | hin-000 | कोंगो |
| hrvatski | hrv-000 | kongo |
| magyar | hun-000 | kongo |
| bahasa Indonesia | ind-000 | Kongo |
| íslenska | isl-000 | kongó |
| íslenska | isl-000 | kongóska |
| italiano | ita-000 | kongo |
| 日本語 | jpn-000 | コンゴ族 |
| 日本語 | jpn-000 | コンゴ語 |
| Nihongo | jpn-001 | kongo-go |
| にほんご | jpn-002 | コンゴご |
| にほんご | jpn-002 | コンゴぞく |
| ಕನ್ನಡ | kan-000 | ಕೊಂಗೊ |
| كأشر | kas-000 | کونٛگو |
| ქართული | kat-000 | კონგო |
| Koongo | kng-000 | kikóóngó |
| kikongo | kon-000 | Kikongo |
| kikongo | kon-000 | kikongo |
| 한국어 | kor-000 | 콩고어 |
| Hangungmal | kor-001 | konggo-eo |
| ລາວ | lao-000 | ຄອງໂກ |
| lingála | lin-000 | Kikɔ́ngɔ |
| lingála | lin-000 | kikɔ́ngɔ |
| lietuvių | lit-000 | Kongo |
| Lëtzebuergesch | ltz-000 | Kongolesesch |
| latviešu | lvs-000 | kongu |
| മലയാളം | mal-000 | കോംഗോ |
| മലയാളം | mal-000 | കോങ്ഗോ |
| मराठी | mar-000 | काँगो |
| македонски | mkd-000 | конго |
| Malti | mlt-000 | Kongo |
| မြန်မာဘာသာ | mya-000 | ကနဂို |
| မြန်မာဘာသာ | mya-000 | ကွန်ဂို |
| Nederlands | nld-000 | Kikongo |
| Nederlands | nld-000 | Kongo |
| nynorsk | nno-000 | kikongo |
| bokmål | nob-000 | kikongo |
| नेपाली | npi-000 | कोङ्गो |
| ଓଡ଼ିଆ | ory-000 | କଙ୍ଗୋ |
| فارسی | pes-000 | کنگویی |
| polski | pol-000 | język kongo |
| polski | pol-000 | kikongo |
| polski | pol-000 | kongo |
| português | por-000 | Língua quicongo |
| português | por-000 | congolês |
| português | por-000 | quicongo |
| português europeu | por-002 | conguês |
| lingua rumantscha | roh-000 | kongo |
| română | ron-000 | congoleză |
| русский | rus-000 | Конго |
| русский | rus-000 | киконго |
| русский | rus-000 | конго |
| русский | rus-000 | язык конго |
| slovenčina | slk-000 | kongčina |
| slovenčina | slk-000 | konžský |
| slovenščina | slv-000 | kongovščina |
| español | spa-000 | kikongo |
| español | spa-000 | kongo |
| српски | srp-000 | Конго |
| srpski | srp-001 | Kongo |
| svenska | swe-000 | kikongo |
| svenska | swe-000 | kongo |
| Kiswahili | swh-000 | Kikongo |
| Kiswahili | swh-000 | Kikoongo |
| தமிழ் | tam-000 | காங்கோ |
| తెలుగు | tel-000 | కోంగో |
| ภาษาไทย | tha-000 | คองโก |
| ภาษาไทย | tha-000 | ภาษากองโก |
| lea fakatonga | ton-000 | lea fakakongikō |
| Türkçe | tur-000 | Kongo |
| ئۇيغۇرچە | uig-000 | كونگوچە |
| українська | ukr-000 | конґолезька |
| اردو | urd-000 | کانگو |
| tiếng Việt | vie-000 | Tiếng Kongo |
| Bahasa Malaysia | zsm-000 | Kongo |
| isiZulu | zul-000 | Isi-Kongo |