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!639-1!!639-2!!639-3!!Language name!!Native name!!comment
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|{{Tl|aa}}||aar||aar||[[Afar language|Afarafar]]||lang="aa"|Afaraf||
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|{{Tl|ab}}||abk||abk||[[Abkhaz language|Abkhazianabcaso]]||lang="ab"|Аҧсуа||
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|{{Tl|ae}}||ave||ave||[[Avestan language|Avestanavestan]]*||lang="ae"|avesta||
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|{{Tl|af}}||afr||afr||[[Afrikaansafrikaans]]||lang="af"|Afrikaans||
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|{{Tl|ak}}||aka||aka + [[ISO 639:aka|2]]||[[Akan languages|Akanakan]]*||lang="ak"|Akan||
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|{{Tl|am}}||amh||amh||[[Amharic language|Amharicamarico]]||lang="am"|አማርኛ||
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|{{Tl|an}}||arg||arg||[[Aragonese language|Aragonesearagonese]]||lang="an"|Aragonés||
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|{{Tl|ar}}||ara||ara + [[ISO 639:ara|30]]||[[Arabic language|Arabicarabo]]||lang="ar" dir="rtl"|العربية||Standard Arabic is [arb]
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|{{Tl|as}}||asm||asm||[[Assamese language|Assameseassamese]]||lang="as"|অসমীয়া||
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|{{Tl|av}}||ava||ava||[[Avar language|Avaricavaric]]*||lang="av"|авар мацӀ; магӀарул мацӀ||
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|{{Tl|ay}}||aym||aym + [[ISO 639:aym|2]]||[[Aymara language|Aymaraaymara]]||lang="ay"|aymar aru||
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|{{Tl|az}}||aze||aze + [[ISO 639:aze|2]]||[[Azerbaijani language|Azerbaijaniazero]]||lang="az"|azərbaycan dili||
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|{{Tl|ba}}||bak||bak||[[Bashkir language|Bashkirbashkir]]||lang="ba"|башҡорт теле||
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|{{Tl|be}}||bel||bel||[[Belarusian language|Belarusianbielorusso]]||lang="be"|Беларуская||
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|{{Tl|bg}}||bul||bul||[[Bulgarian language|Bulgarianbulgaro]]||lang="bg"|български език||
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|{{Tl|bh}}||bih||--||[[Bihari languages|Biharibihari]]*||lang="bh"|भोजपुरी||collective language code for Bhojpuri, Magahi, and Maithili
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|{{Tl|bi}}||bis||bis||[[Bislama language|Bislamabislama]]||lang="bi"|Bislama||
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|{{Tl|bm}}||bam||bam||[[Bambara language|Bambarabambara]]||lang="bm"|bamanankan||
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|{{Tl|bn}}||ben||ben||[[Bengali language|Bengalibengalese]]||lang="bn"|বাংলা||
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|{{Tl|bo}}||tib/bod||bod||[[Tibetan language|Tibetantibetano]]||lang="bo"|བོད་ཡིག||
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|{{Tl|br}}||bre||bre||[[Breton language|Bretonbretone]]||lang="br"|brezhoneg||
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|{{Tl|bs}}||bos||bos||[[Bosnian language|Bosnianbosniaco]]||lang="bs"|bosanski jezik||
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|{{Tl|ca}}||cat||cat||[[Catalan language|Catalancatalano]]||lang="ca"|Català||
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|{{Tl|ce}}||che||che||[[Chechen language|Chechenceceno]]||lang="ce"|нохчийн мотт||
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|{{Tl|ch}}||cha||cha||[[Chamorro language|Chamorrochamorro]]||lang="ch"|Chamoru||
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|{{Tl|co}}||cos||cos||[[Corsican language|Corsicancorso]]||lang="co"|corsu; lingua corsa||
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|{{Tl|cr}}||cre||cre + [[ISO 639:cre|6]]||[[Cree language|Creecree]]||lang="cr"|ᓀᐦᐃᔭᐍᐏᐣ||
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|{{Tl|cs}}||cze/ces||ces||[[Czech language|Czechceco]]||lang="cs"|česky; čeština||
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|{{Tl|cu}}||chu||chu||[[Old Church Slavonic|Church Slavic]]*||||
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|{{Tl|cv}}||chv||chv||[[Chuvash language|Chuvashchuvash]]||lang="cv"|чӑваш чӗлхи||
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|cy||wel/cym||cym||[[Welsh language|Welsh]]||lang="cy"|Cymraeg||
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