ISO 639:a

| apj |  |  | B | Y | Apache, Jicarilla | Apaçi, Jicariya, Hikarilaca |
| apk |  |  | B | Y | Apache, Kiowa | Apaçi, Kiowa, Ova Apaçicesi |
| apl |  |  | B | Y | Apache, Lipan | Apaçi, Lipan, Lipanca |
| apm |  |  | B | Y | Apache, Mescalero-Chiricahua | Apaçi, Meskalero-Çirikavaca |
| apn |  |  | B | Y | Apinayé |   |
| apo |  |  | B | Y | Apalik |   |
| app |  |  | B | Y | Apma |   |
| apq |  |  | B | Y | A-Pucikwar |   |
| apr |  |  | B | Y | Arop-Lukep |   |
| aps |  |  | B | Y | Arop-Sissano |   |
| apt |  |  | B | Y | Apatani |   |
| apu |  |  | B | Y | Apurinã |   |
| apw |  |  | B | Y | Apache, Western | Apaçi, Batı, Batı Apaçicesi |
| apx |  |  | B | Y | Aputai |   |
| apy |  |  | B | Y | Apalaí |   |
| apz |  |  | B | Y | Safeyoka |   |
| aqc |  |  | B | Y | Archi |   |
| aqg |  |  | B | Y | Arigidi |   |
| aql |  |  | B | Y | Algic languages | Algonkin-Yurok dilleri |
| aqm |  |  | B | Y | Atohwaim |   |
| aqn |  |  | B | Y | Alta, Northern |   |
| aqp |  |  | B | Ö | Atakapa |   |
| aqr |  |  | B | Y | Arhâ |   |
| ara | ara | ar | M | Y | Arabic | Arapça |
| arb |  |  | B | Y | Arabic, Standard | Arapça, Standart, Fasih Arapça |
| arc | arc |  | B | A | Aramaic | Aramice |
| ard |  |  | B | Y | Arabana |   |
| are |  |  | B | Y | Arrarnta, Western |   |
| arf |  |  | B | Y | Arafundi |   |
| arg | arg | an | B | Y | Aragonese | Aragonca |
| arh |  |  | B | Y | Arhuaco |   |
| ari |  |  | B | Y | Arikara | Arikaraca |
| arj |  |  | B | Y | Arapaso |   |
| ark |  |  | B | Y | Arikapú |   |
| arl |  |  | B | Y | Arabela |   |
| arn | arn |  | B | Y | Araucanian, Mapuche | Araukanca, Mapuçece |
| aro |  |  | B | Y | Araona |   |
| arp | arp |  | B | Y | Arapaho | Arapahoca |
| arq |  |  | B | Y | Arabic, Algerian Spoken | Arapça, Cezayir Lehçesi |
| arr |  |  | B | Y | Karo (Brazil) |   |
| ars |  |  | B | Y | Arabic, Najdi Spoken | Arapça, Necd Lehçesi, Necd Arapçası |
| aru |  |  | B | Ö | Arua |   |
| arv |  |  | B | Y | Arbore |   |
| arw | arw |  | B | Y | Arawak |   |
| arx |  |  | B | Y | Aruá |   |
| ary |  |  | B | Y | Arabic, Moroccan Spoken | Arapça, Fas Lehçesi |
| arz |  |  | B | Y | Arabic, Egyptian Spoken | Arapça, Mısır Lehçesi, Mısır Arapçası |
| asa |  |  | B | Y | Asu (Tanzania) | Asu Dili, Tanzaniya |
| asb |  |  | B | Y | Assiniboine, Nakota, Nakona | Nakotaca |
| asc |  |  | B | Y | Asmat, Casuarina Coast |   |
| asd |  |  | B | Y | Asas |   |
| ase |  |  | B | Y | American Sign Language | Amerikan İşaret Dili |
| asf |  |  | B | Y | Australian Sign Language | Avustralya İşaret Dili |
| asg |  |  | B | Y | Cishingini |   |
| ash |  |  | B | Ö | Abishira |   |
| asi |  |  | B | Y | Buruwai |   |
| asj |  |  | B | Y | Nsari |   |
| ask |  |  | B | Y | Ashkun |   |
| asl |  |  | B | Y | Asilulu |   |
| asm | asm | as | B | Y | Assamese | Asamca, Assam dili |
| asn |  |  | B | Y | Asuriní, Xingú |   |
| aso |  |  | B | Y | Dano |   |
| asp |  |  | B | Y | Algerian Sign Language | Cezayir İşaret Dili |
| asq |  |  | B | Y | Austrian Sign Language | Avusturya İşaret Dili |
| asr |  |  | B | Y | Asuri | Asurca |
| ass |  |  | B | Y | Ipulo |   |
| ast | ast |  | B | Y | Asturian; Bable | Asturyasça |
| asu |  |  | B | Y | Asuriní |   |
| asv |  |  | B | Y | Asoa |   |
| asw |  |  | B | Y | Australian Aborigines Sign Language | Avustralya Aborijin İşaret Dili]] |
| asx |  |  | B | Y | Muratayak |   |
| asy |  |  | B | Y | Asmat, Yaosakor |   |
| asz |  |  | B | Y | As |   |
| ata |  |  | B | Y | Pele-Ata |   |
| atb |  |  | B | Y | Zaiwa | Zaiwa dili |
| atc |  |  | B | Ö | Atsahuaca |   |
| atd |  |  | B | Y | Manobo, Ata |   |
| ate |  |  | B | Y | Atemble |   |
| atf |  |  | B | Y | Atuence |   |
| atg |  |  | B | Y | Ivbie North-Okpela-Arhe |   |
| ath |  |  | B | Y | Athabaskan languages | Atabask dilleri |
| ati |  |  | B | Y | Attié |   |
| atj |  |  | B | Y | Atikamekw | Atikamekçe |
| atk |  |  | B | Y | Ati |   |
| atl |  |  | B | Y | Agta, Mt. Iraya |   |
| atm |  |  | B | Y | Ata |   |
| atn |  |  | B | Y | Ashtiani |   |
| ato |  |  | B | Y | Atong |   |
| atp |  |  | B | Y | Atta, Pudtol |   |
| atq |  |  | B | Y | Aralle-Tabulahan |   |
| atr |  |  | B | Y | Atruahí |   |
| ats |  |  | B | Y | Gros Ventre | Atsinaca |
| att |  |  | B | Y | Atta, Pamplona |   |
| atu |  |  | B | Y | Reel |   |
| atv |  |  | B | Y | Altai, Northern | Altay Dili, Kuzey, Kuzey Altayca |
| atw |  |  | B | Y | Atsugewi |   |
| atx |  |  | B | Y | Arutani |   |
| aty |  |  | B | Y | Aneityum |   |
| atz |  |  | B | Y | Arta |   |
| aua |  |  | B | Y | Asumboa |   |
| auc |  |  | B | Y | Waorani |   |
| aud |  |  | B | Y | Anuta |   |
| aue |  |  | B | Y | =/Kx'au//'ein |   |
| aug |  |  | B | Y | Aguna |   |
| auh |  |  | B | Y | Aushi |   |
| aui |  |  | B | Y | Anuki |   |
| auj |  |  | B | Y | Awjilah |   |
| auk |  |  | B | Y | Heyo |   |
| aul |  |  | B | Y | Aulua |   |
| aum |  |  | B | Y | Asu (Nigeria) |   |
| aun |  |  | B | Y | One, Molmo |   |
| auo |  |  | B | Ö | Auyokawa |   |
| aup |  |  | B | Y | Makayam |   |
| auq |  |  | B | Y | Anus |   |
| aur |  |  | B | Y | Aruek |   |
| aut |  |  | B | Y | Austral |   |
| auu |  |  | B | Y | Auye |   |
| auw |  |  | B | Y | Awyi |   |
| aux |  |  | B | Y | Aurá |   |
| auy |  |  | B | Y | Awiyaana |   |
| auz |  |  | B | Y | Arabic, Uzbeki Spoken | Arapça, Özbekistan Lehçesi |
| ava | ava | av | B | Y | Avaric | Avarca |
| avb |  |  | B | Y | Avau |   |
| avd |  |  | B | Y | Alviri-Vidari |   |
| ave | ave | ae | B | A | Avestan | Avestaca |
| avi |  |  | B | Y | Avikam |   |
| avl |  |  | B | Y | Arabic, Eastern Egyptian Bedawi Spoken | Arapça, Doğu Mısır Bedevîleri Lehçesi |
| avn |  |  | B | Y | Avatime |   |
| avo |  |  | B | Y | Agavotaguerra |   |
| avs |  |  | B | Ö | Aushiri |   |
| avt |  |  | B | Y | Au |   |
| avu |  |  | B | Y | Avokaya |   |
| avv |  |  | B | Y | Avá-Canoeiro |   |
| awa | awa |  | B | Y | Awadhi |   |
| awb |  |  | B | Y | Awa |   |
| awc |  |  | B | Y | Acipa, Western |   |
| awe |  |  | B | Y | Awetí |   |
| awh |  |  | B | Y | Awbono |   |
| awi |  |  | B | Y | Aekyom |   |
| awk |  |  | B | Ö | Awabakal |   |
| awm |  |  | B | Y | Arawum |   |
| awn |  |  | B | Y | Awngi |   |
| awo |  |  | B | Y | Awak |   |
| awr |  |  | B | Y | Awera |   |
| aws |  |  | B | Y | Awyu, South |   |
| awt |  |  | B | Y | Araweté |   |
| awu |  |  | B | Y | Awyu, Central |   |
| awv |  |  | B | Y | Awyu, Jair |   |
| aww |  |  | B | Y | Awun |   |
| awx |  |  | B | Y | Awara |   |
| awy |  |  | B | Y | Awyu, Edera |   |
| axb |  |  | B | Ö | Abipon |   |
| axg |  |  | B | Ö | Arára, Mato Grosso |   |
| axk |  |  | B | Y | Yaka (Central African Republic) |   |
| axm |  |  | B | T | Armenian, Middle | Ermenice, Orta |
| axx |  |  | B | Y | Xaragure |   |
| aya |  |  | B | Y | Awar |   |
| ayb |  |  | B | Y | Gbe, Ayizo |   |
| ayc |  |  | B | Y | Aymara, Southern | Güney Aymaraca |
| ayd |  |  | B | Y | Ayabadhu |   |
| aye |  |  | B | Y | Ayere |   |
| ayg |  |  | B | Y | Ginyanga |   |
| ayh |  |  | B | Y | Arabic, Hadrami Spoken | Arapça, Hadremi (Yemen) Lehçesi |
| ayi |  |  | B | Y | Leyigha |   |
| ayk |  |  | B | Y | Akuku |   |
| ayl |  |  | B | Y | Arabic, Libyan Spoken | Arapça, Libya Lehçesi |
| aym | aym | ay | M | Y | Aymara | Aymaraca |
| ayn |  |  | B | Y | Arabic, Sanaani Spoken | Arapça, Sana'a (Yemen) Lehçesi |
| ayo |  |  | B | Y | Ayoreo |   |
| ayp |  |  | B | Y | Arabic, North Mesopotamian Spoken | Arapça, Kuzey Mezopotamya Lehçesi |
| ayq |  |  | B | Y | Ayi (Papua New Guinea) | Ayi, Papua Yeni Gine |
| ayr |  |  | B | Y | Aymara, Central | Orta Aymaraca |
| ays |  |  | B | Y | Ayta, Sorsogon |   |
| ayt |  |  | B | Y | Ayta, Bataan |   |
| ayu |  |  | B | Y | Ayu |   |
| ayx |  |  | B | Y | Ayi (China) |   |
| ayy |  |  | B | Ö | Ayta, Tayabas |   |
| ayz |  |  | B | Y | Mai Brat |   |
| azb |  |  | B | Y | Azerbaijani, South | Güney Azerice |
| azc |  |  | B | Y | Uto-Aztecan languages | Uto-Aztek dilleri |
| aze | aze | az | M | Y | Azerbaijani | Azerice |
| azg |  |  | B | Y | Amuzgo, San Pedro Amuzgos |   |
| azj |  |  | B | Y | Azerbaijani, North | Azerice, Kuzey |
| azm |  |  | B | Y | Amuzgo, Ipalapa |   |
| azo |  |  | B | Y | Awing |   |
| azr |  |  | B | Y | Adzera | Acera |
| azt |  |  | B | Y | Atta, Faire |   |
| azz |  |  | B | Y | Nahuatl, Highland Puebla |   |