aae - Arbëreshë Albanian
aah - Abu' Arapesh
aao - Algerian Saharan Arabic
aap - Pará Arára
aaq - Eastern Abnaki
aat - Arvanitika Albanian
aax - Mandobo Atas
abc - Ambala Ayta
abe - Western Abnaki
abh - Tajiki Arabic
abp - Abellen Ayta
abv - Baharna Arabic
acm - Mesopotamian Arabic
acp - Eastern Acipa
acq - Ta'izzi-Adeni Arabic
acw - Hijazi Arabic
acx - Omani Arabic
acy - Cypriot Arabic
adf - Dhofari Arabic
aeb - Tunisian Arabic
aec - Saidi Arabic
aer - Eastern Arrernte
afb - Gulf Arabic
agk - Isarog Agta
agt - Central Cagayan Agta
agy - Southern Alta
agz - Mt. Iriga Agta
ahi - Tiagbamrin Aizi
ahm - Mobumrin Aizi
ahp - Aproumu Aizi
aig - Antigua and Barbuda Creole English
ais - Nataoran Amis
ajp - South Levantine Arabic
ajt - Judeo-Tunisian Arabic
aju - Judeo-Moroccan Arabic
akb - Batak Angkola
aln - Gheg Albanian
als - Tosk Albanian
alt - Southern Altai
ams - Southern Amami-Oshima
amu - Guerrero Amuzgo
aon - Bumbita Arapesh
apc - North Levantine Arabic
apd - Sudanese Arabic
apf - Pahanan Agta
apj - Jicarilla Apache
apk - Kiowa Apache
apl - Lipan Apache
apm - Mescalero-Chiricahua Apache
apw - Western Apache
aqn - Northern Alta
arb - Standard Arabic
arc - Official Aramaic (700-300 BCE)
are - Western Arrarnta
arq - Algerian Arabic
ars - Najdi Arabic
ary - Moroccan Arabic
arz - Egyptian Arabic
asc - Casuarina Coast Asmat
asn - Xingú Asuriní
asu - Tocantins Asurini
asw - Australian Aborigines Sign Language
asy - Yaosakor Asmat
atl - Mt. Iraya Agta
atp - Pudtol Atta
att - Pamplona Atta
atv - Northern Altai
auz - Uzbeki Arabic
avl - Eastern Egyptian Bedawi Arabic
aws - South Awyu
awu - Central Awyu
awv - Jair Awyu
awy - Edera Awyu
axg - Mato Grosso Arára
axk - Yaka (Central African Republic)
axl - Lower Southern Aranda
axm - Middle Armenian
ayc - Southern Aymara
ayh - Hadrami Arabic
ayl - Libyan Arabic
ayn - Sanaani Arabic
ayp - North Mesopotamian Arabic
ayr - Central Aymara
ays - Sorsogon Ayta
ayt - Magbukun Ayta
ayy - Tayabas Ayta
azb - South Azerbaijani
azg - San Pedro Amuzgos Amuzgo
azj - North Azerbaijani
azm - Ipalapa Amuzgo
azt - Faire Atta
cpc - Ajyíninka Apurucayali
dul - Alabat Island Agta
nqy - Akyaung Ari Naga
psa - Awyu, Asue
xaa - Andalusian Arabic
xna - Ancient North Arabian
aaa - Ghotuo
aab - Alumu-Tesu
aac - Ari
aad - Amal
aaf - Aranadan
aag - Ambrak
aai - Arifama-Miniafia
aak - Ankave
aal - Afade
aam - Aramanik (deprecated)
aan - Anambé
aar - Afar
aas - Aasáx
aau - Abau
aaw - Solong
aay - Aariya (deprecated)
aaz - Amarasi
aba - Abé
abb - Bankon
abd - Manide
abf - Abai Sungai
abg - Abaga
abi - Abidji
abj - Aka-Bea
abk - Abkhazian
abl - Lampung Nyo
abm - Abanyom
abn - Abua
abo - Abon
abq - Abaza
abr - Abron
abs - Ambonese Malay
abt - Ambulas
abu - Abure
abw - Pal
abx - Inabaknon
aby - Aneme Wake
abz - Abui
aca - Achagua
acb - Áncá
acc - Achi, Cubulco (deprecated)
acd - Gikyode
ace - Achinese
acf - Saint Lucian Creole French
ach - Acoli
aci - Aka-Cari
ack - Aka-Kora
acl - Akar-Bale
acn - Achang
acr - Achi
acs - Acroá
act - Achterhoeks
acu - Achuar-Shiwiar
acv - Achumawi
acz - Acheron
ada - Adangme
adb - Adabe
add - Dzodinka
ade - Adele
adg - Andegerebinha
adh - Adhola
adi - Adi
adj - Adioukrou
adl - Galo
adn - Adang
ado - Abu
adp - Adap (deprecated)
adq - Adangbe
adr - Adonara
ads - Adamorobe Sign Language
adt - Adnyamathanha
adu - Aduge
adw - Amundava
adx - Amdo Tibetan
ady - Adyghe
adz - Adzera
aea - Areba
aed - Argentine Sign Language
aee - Northeast Pashayi
aek - Haeke
ael - Ambele
aem - Arem
aen - Armenian Sign Language
aeq - Aer
aes - Alsea
aeu - Akeu
aew - Ambakich
aex - Amerax (deprecated)
aey - Amele
aez - Aeka
afd - Andai
afe - Putukwam
afg - Afghan Sign Language
afh - Afrihili
afi - Akrukay
afk - Nanubae
afn - Defaka
afo - Eloyi
afp - Tapei
afr - Afrikaans
afs - Afro-Seminole Creole
aft - Afitti
afu - Awutu
afz - Obokuitai
aga - Aguano
agb - Legbo
agc - Agatu
agd - Agarabi
age - Angal
agf - Arguni
agg - Angor
agh - Ngelima
agi - Agariya
agj - Argobba
agl - Fembe
agm - Angaataha
agn - Agutaynen
ago - Tainae
agp - Paranan (deprecated)
agq - Aghem
agr - Aguaruna
ags - Esimbi
agu - Aguacateco
agv - Remontado Dumagat
agw - Kahua
agx - Aghul
aha - Ahanta
ahb - Axamb
ahe - Ahe (deprecated)
ahg - Qimant
ahh - Aghu
ahk - Akha
ahl - Igo
ahn - Àhàn
aho - Ahom
ahr - Ahirani
ahs - Ashe
aht - Ahtena
aia - Arosi
aib - Ainu (China)
aic - Ainbai
aid - Alngith
aie - Amara
aif - Agi
aih - Ai-Cham
aii - Assyrian Neo-Aramaic
aij - Lishanid Noshan
aik - Ake
ail - Aimele
aim - Aimol
ain - Ainu (Japan)
aio - Aiton
aip - Burumakok
aiq - Aimaq
air - Airoran
ait - Arikem
aiw - Aari
aix - Aighon
aiy - Ali
aiz - Aari (deprecated)
aja - Aja (Sudan)
ajg - Aja (Benin)
aji - Ajië
ajn - Andajin
ajw - Ajawa
ajz - Amri Karbi
aka - Akan
akc - Mpur
akd - Ukpet-Ehom
ake - Akawaio
akf - Akpa
akg - Anakalangu
akh - Angal Heneng
aki - Aiome
akj - Aka-Jeru
akk - Akkadian
akl - Aklanon
akm - Aka-Bo
akn - Amikoana (deprecated)
ako - Akurio
akp - Siwu
akq - Ak
akr - Araki
aks - Akaselem
akt - Akolet
aku - Akum
akv - Akhvakh
akw - Akwa
akx - Aka-Kede
aky - Aka-Kol
akz - Alabama
ala - Alago
alc - Qawasqar
ald - Alladian
ale - Aleut
alf - Alege
alh - Alawa
ali - Amaimon
alj - Alangan
alk - Alak
all - Allar
alm - Amblong
alo - Larike-Wakasihu
alp - Alune
alq - Algonquin
alr - Alutor
alu - 'Are'are
alw - Alaba-K’abeena
alx - Amol
aly - Alyawarr
alz - Alur
ama - Amanayé
amb - Ambo
amc - Amahuaca
amd - Amapá Creole (deprecated)
ame - Yanesha'
amf - Hamer-Banna
amg - Amarag
amh - Amharic
ami - Amis
amj - Amdang
amk - Ambai
aml - War-Jaintia
amm - Ama (Papua New Guinea)
amn - Amanab
amo - Amo
amp - Alamblak
amq - Amahai
amr - Amarakaeri
amt - Amto
amv - Ambelau
amw - Western Neo-Aramaic
amx - Anmatyerre
amy - Ami
amz - Atampaya
ana - Andaqui
anb - Andoa
anc - Ngas
and - Ansus
ane - Xârâcùù
anf - Animere
ang - Old English (ca. 450-1100)
anh - Nend
ani - Andi
anj - Anor
ank - Goemai
anl - Anu
anm - Anal
ann - Obolo
ano - Andoque
anp - Angika
anq - Jarawa (India)
anr - Andh
ans - Anserma
ant - Antakarinya
anu - Anuak
anv - Denya
anw - Anaang
anx - Andra-Hus
any - Anyin
anz - Anem
aoa - Angolar
aob - Abom
aoc - Pemon
aod - Andarum
aoe - Angal Enen
aof - Bragat
aog - Angoram
aoh - Arma
aoi - Anindilyakwa
aoj - Mufian
aok - Arhö
aol - Alor
aom - Ömie
aor - Aore
aos - Taikat
aot - A'tong
aou - A'ou
aox - Atorada
aoz - Uab Meto
apb - Sa'a
ape - Bukiyip
apg - Ampanang
aph - Athpariya
api - Apiaká
apn - Apinayé
apo - Apalik
app - Apma
apq - A-Pucikwar
apr - Arop-Lokep
aps - Arop-Sissano
apt - Apatani
apu - Apurinã
apv - Alapmunte
apx - Aputai
apy - Apalaí
apz - Safeyoka
aqc - Archi
aqd - Ampari Dogon
aqg - Arigidi
aqm - Atohwaim
aqp - Atakapa
aqr - Arhâ
aqt - Angaité
aqz - Akuntsu
ara - Arabic
ard - Arabana
arf - Arafundi (deprecated)
arg - Aragonese
arh - Arhuaco
ari - Arikara
arj - Arapaso
ark - Arikapú
arl - Arabela
arn - Mapudungun
aro - Araona
arp - Arapaho
arr - Karo (Brazil)
aru - Aruá (Amazonas State)
arv - Arbore
arw - Arawak
arx - Aruá (Rodonia State)
asa - Asu (Tanzania)
asb - Assiniboine
asd - Asas
ase - American Sign Language
asf - Australian Sign Language
asg - Cishingini
ash - Abishira
asi - Buruwai
asj - Nsari
ask - Ashkun
asl - Asilulu
asm - Assamese
aso - Dano
asp - Algerian Sign Language
asq - Austrian Sign Language
asr - Asuri
ass - Ipulo
ast - Asturian
asv - Asoa
asx - Muratayak
asz - As
ata - Pele-Ata
atb - Zaiwa
atc - Atsahuaca
atd - Ata Manobo
ate - Atemble
atf - Atuence (deprecated)
atg - Ivbie North-Okpela-Arhe
ati - Attié
atj - Atikamekw
atk - Ati
atm - Ata
atn - Ashtiani
ato - Atong
atq - Aralle-Tabulahan
atr - Waimiri-Atroari
ats - Gros Ventre
atu - Reel
atw - Atsugewi
atx - Arutani
aty - Aneityum
atz - Arta
aua - Asumboa
aub - Alugu
auc - Waorani
aud - Anuta
aue - =/Kx'au//'ein (deprecated)
aug - Aguna
auh - Aushi
aui - Anuki
auj - Awjilah
auk - Heyo
aul - Aulua
aum - Asu (Nigeria)
aun - Molmo One
auo - Auyokawa
aup - Makayam
auq - Anus
aur - Aruek
aut - Austral
auu - Auye
auv - Auvergnat (deprecated)
auw - Awyi
aux - Aurá
auy - Awiyaana
ava - Avaric
avb - Avau
avd - Alviri-Vidari
ave - Avestan
avi - Avikam
avk - Kotava
avm - Angkamuthi
avn - Avatime
avo - Agavotaguerra
avs - Aushiri
avt - Au
avu - Avokaya
avv - Avá-Canoeiro
awa - Awadhi
awb - Awa (Papua New Guinea)
awc - Cicipu