| Language | ISO 639-3 | Status |
|---|---|---|
| Baan | bvj | Living |
| Baangi | bqx | Living |
| Baatonum | bba | Living |
| Baba | bbw | Living |
| Baba Malay | mbf | Living |
| Babalia Creole Arabic | bbz | Living |
| Babango | bbm | Living |
| Babanki | bbk | Living |
| Babatana | baa | Living |
| Babine | bcr | Living |
| Babuza | bzg | Living |
| Bacama | bcy | Living |
| Bacanese Malay | btj | Living |
| Bactrian | xbc | Ancient |
| Bada (Indonesia) | bhz | Living |
| Bada (Nigeria) | bau | Living |
| Badaga | bfq | Living |
| Bade | bde | Living |
| Badeshi | bdz | Living |
| Badimaya | bia | Living |
| Badjiri | jbi | Extinct |
| Badui | bac | Living |
| Badyara | pbp | Living |
| Baeggu | bvd | Living |
| Baelelea | bvc | Living |
| Baetora | btr | Living |
| Bafanji | bfj | Living |
| Bafaw-Balong | bwt | Living |
| Bafia | ksf | Living |
| Bafut | bfd | Living |
| Baga Binari | bcg | Living |
| Baga Kaloum | bqf | Extinct |
| Baga Koga | bgo | Living |
| Baga Manduri | bmd | Living |
| Baga Mboteni | bgm | Living |
| Baga Sitemu | bsp | Living |
| Baga Sobané | bsv | Extinct |
| Bagheli | bfy | Living |
| Bagirmi | bmi | Living |
| Bagirmi Fulfulde | fui | Living |
| Bago-Kusuntu | bqg | Living |
| Bagri | bgq | Living |
| Bagupi | bpi | Living |
| Bagusa | bqb | Living |
| Bagvalal | kva | Living |
| Baha Buyang | yha | Living |
| Baham | bdw | Living |
| Bahamas Creole English | bah | Living |
| Baharna Arabic | abv | Living |
| Bahau | bhv | Living |
| Bahinemo | bjh | Living |
| Bahing | bhj | Living |
| Bahnar | bdq | Living |
| Bahonsuai | bsu | Living |
| Bai | bdj | Living |
| Baibai | bbf | Living |
| Baikeno | bkx | Living |
| Baima | bqh | Living |
| Baimak | bmx | Living |
| Bainouk-Gunyaamolo | bcz | Living |
| Bainouk-Gunyuño | bab | Living |
| Bainouk-Samik | bcb | Living |
| Baiso | bsw | Living |
| Baissa Fali | fah | Living |
| Bajan | bjs | Living |
| Bajelani | bjm | Living |
| Baka (Cameroon) | bkc | Living |
| Baka (Sudan) | bdh | Living |
| Bakairí | bkq | Living |
| Bakaka | bqz | Living |
| Bakhtiari | bqi | Living |
| Baki | bki | Living |
| Bakoko | bkh | Living |
| Bakole | kme | Living |
| Bakpinka | bbs | Living |
| Bakumpai | bkr | Living |
| Bakwé | bjw | Living |
| Balaesang | bls | Living |
| Balangao | blw | Living |
| Balangingi | sse | Living |
| Balanta-Ganja | bjt | Living |
| Balanta-Kentohe | ble | Living |
| Balantak | blz | Living |
| Balau | blg | Living |
| Baldemu | bdn | Living |
| Bali (Democratic Republic of Congo) | bcp | Living |
| Bali (Nigeria) | bcn | Living |
| Balinese | ban | Living |
| Balinese Malay | mhp | Living |
| Balkan Gagauz Turkish | bgx | Living |
| Balkan Romani | rmn | Living |
| Balo | bqo | Living |
| Baloi | biz | Living |
| Balti | bft | Living |
| Baltic Romani | rml | Living |
| Baluan-Pam | blq | Living |
| Baluchi | bal | Living |
| Bamako Sign Language | bog | Living |
| Bamali | bbq | Living |
| Bambalang | bmo | Living |
| Bambam | ptu | Living |
| Bambara | bam | Living |
| Bambassi | myf | Living |
| Bambili-Bambui | baw | Living |
| Bamenyam | bce | Living |
| Bamu | bcf | Living |
| Bamukumbit | bqt | Living |
| Bamun | bax | Living |
| Bamunka | bvm | Living |
| Bamwe | bmg | Living |
| Ban Khor Sign Language | bfk | Living |
| Bana | bcw | Living |
| Banao Itneg | bjx | Living |
| Banaro | byz | Living |
| Banda (Indonesia) | bnd | Living |
| Banda Malay | bpq | Living |
| Banda-Bambari | liy | Living |
| Banda-Banda | bpd | Living |
| Banda-Mbrès | bqk | Living |
| Banda-Ndélé | bfl | Living |
| Banda-Yangere | yaj | Living |
| Bandi | bza | Living |
| Bandial | bqj | Living |
| Bandjalang | bdy | Living |
| Bangala | bxg | Living |
| Bangandu | bgf | Living |
| Bangba | bbe | Living |
| Banggai | bgz | Living |
| Banggarla | bjb | Extinct |
| Bangi | bni | Living |
| Bangime | dba | Living |
| Bangka | mfb | Living |
| Bangolan | bgj | Living |
| Bangubangu | bnx | Living |
| Bangwinji | bsj | Living |
| Baniva | bvv | Extinct |
| Baniwa | bwi | Living |
| Banjar | bjn | Living |
| Bankagooma | bxw | Living |
| Bankal | jjr | Living |
| Bankan Tey Dogon | dbw | Living |
| Bankon | abb | Living |
| Bannoni | bcm | Living |
| Bantawa | bap | Living |
| Bantayanon | bfx | Living |
| Bantik | bnq | Living |
| Bantoanon | bno | Living |
| Baoulé | bci | Living |
| Bara Malagasy | bhr | Living |
| Baraamu | brd | Living |
| Barababaraba | rbp | Extinct |
| Barai | bbb | Living |
| Barakai | baj | Living |
| Baram Kayan | kys | Living |
| Barama | bbg | Living |
| Barambu | brm | Living |
| Baramu | bmz | Living |
| Barapasi | brp | Living |
| Baras | brs | Living |
| Barasana-Eduria | bsn | Living |
| Barbacoas | bpb | Extinct |
| Barbaram | vmb | Extinct |
| Barbareño | boi | Extinct |
| Barclayville Grebo | gry | Living |
| Bardi | bcj | Living |
| Barein | bva | Living |
| Bargam | mlp | Living |
| Bari | bfa | Living |
| Bariai | bch | Living |
| Bariji | bjc | Living |
| Barikanchi | bxo | Living |
| Barikewa | jbk | Living |
| Barok | bjk | Living |
| Barombi | bbi | Living |
| Barro Negro Tunebo | tbn | Living |
| Barrow Point | bpt | Extinct |
| Baruga | bjz | Living |
| Baruya | byr | Living |
| Barwe | bwg | Living |
| Barzani Jewish Neo-Aramaic | bjf | Living |
| Baré | bae | Extinct |
| Barí | mot | Living |
| Basa (Cameroon) | bas | Living |
| Basa (Nigeria) | bzw | Living |
| Basa-Gumna | bsl | Extinct |
| Basa-Gurmana | buj | Living |
| Basap | bdb | Living |
| Basay | byq | Extinct |
| Bashkardi | bsg | Living |
| Bashkir | bak | Living |
| Basketo | bst | Living |
| Basque | eus | Living |
| Bassa | bsq | Living |
| Bassa-Kontagora | bsr | Living |
| Bassari | bsc | Living |
| Bassossi | bsi | Living |
| Bata | bta | Living |
| Batad Ifugao | ifb | Living |
| Batak | bya | Living |
| Batak Alas-Kluet | btz | Living |
| Batak Angkola | akb | Living |
| Batak Dairi | btd | Living |
| Batak Karo | btx | Living |
| Batak Mandailing | btm | Living |
| Batak Simalungun | bts | Living |
| Batak Toba | bbc | Living |
| Batanga | bnm | Living |
| Batek | btq | Living |
| Bateri | btv | Living |
| Bathari | bhm | Living |
| Bati (Cameroon) | btc | Living |
| Bati (Indonesia) | bvt | Living |
| Bats | bbl | Living |
| Batu | btu | Living |
| Batui | zbt | Living |
| Batuley | bay | Living |
| Batyala | xby | Living |
| Bau | bbd | Living |
| Bau Bidayuh | sne | Living |
| Bauchi | bsf | Living |
| Baure | brg | Living |
| Bauria | bge | Living |
| Bauwaki | bwk | Living |
| Bauzi | bvz | Living |
| Bavarian | bar | Living |
| Bawm Chin | bgr | Living |
| Bay Miwok | mkq | Extinct |
| Bayali | bjy | Extinct |
| Baybayanon | bvy | Living |
| Baygo | byg | Extinct |
| Bayono | byl | Living |
| Bayot | bda | Living |
| Bayungu | bxj | Living |
| Bazigar | bfr | Living |
| Beami | beo | Living |
| Beaver | bea | Living |
| Beba | bfp | Living |
| Bebele | beb | Living |
| Bebeli | bek | Living |
| Bebil | bxp | Living |
| Bedjond | bjv | Living |
| Bedoanas | bed | Living |
| Beeke | bkf | Living |
| Beele | bxq | Living |
| Beembe | beq | Living |
| Beezen | bnz | Living |
| Befang | bby | Living |
| Beja | bej | Living |
| Bekati’ | bei | Living |
| Bekwarra | bkv | Living |
| Bekwel | bkw | Living |
| Belait | beg | Living |
| Belanda Bor | bxb | Living |
| Belanda Viri | bvi | Living |
| Belarusian | bel | Living |
| Belhariya | byw | Living |
| Beli (Papua New Guinea) | bey | Living |
| Beli (Sudan) | blm | Living |
| Belize Kriol English | bzj | Living |
| Bella Coola | blc | Living |
| Bellari | brw | Living |
| Bemba (Zambia) | bem | Living |
| Bembe | bmb | Living |
| Ben Tey Dogon | dbt | Living |
| Bena (Nigeria) | yun | Living |
| Bena (Tanzania) | bez | Living |
| Benabena | bef | Living |
| Bench | bcq | Living |
| Bende | bdp | Living |
| Bendi | bct | Living |
| Beng | nhb | Living |
| Benga | bng | Living |
| Bengali | ben | Living |
| Benggoi | bgy | Living |
| Bengkala Sign Language | bqy | Living |
| Bentong | bnu | Living |
| Benyadu’ | byd | Living |
| Beothuk | bue | Extinct |
| Bepour | bie | Living |
| Bera | brf | Living |
| Berakou | bxv | Living |
| Berau Malay | bve | Living |
| Berbice Creole Dutch | brc | Extinct |
| Berik | bkl | Living |
| Berinomo | bit | Living |
| Berom | bom | Living |
| Berta | wti | Living |
| Berti | byt | Extinct |
| Besisi | mhe | Living |
| Besme | bes | Living |
| Besoa | bep | Living |
| Betaf | bfe | Living |
| Betawi | bew | Living |
| Bete | byf | Living |
| Bete-Bendi | btt | Living |
| Beti (Côte d’Ivoire) | eot | Living |
| Betta Kurumba | xub | Living |
| Bezhta | kap | Living |
| Bhadrawahi | bhd | Living |
| Bhalay | bhx | Living |
| Bharia | bha | Living |
| Bhatola | btl | Living |
| Bhatri | bgw | Living |
| Bhattiyali | bht | Living |
| Bhaya | bhe | Living |
| Bhele | bhy | Living |
| Bhilali | bhi | Living |
| Bhili | bhb | Living |
| Bhojpuri | bho | Living |
| Bhoti Kinnauri | nes | Living |
| Bhujel | byh | Living |
| Bhunjia | bhu | Living |
| Biafada | bif | Living |
| Biage | bdf | Living |
| Biak | bhw | Living |
| Biali | beh | Living |
| Bian Marind | bpv | Living |
| Biangai | big | Living |
| Biao | byk | Living |
| Biao Mon | bmt | Living |
| Biao-Jiao Mien | bje | Living |
| Biatah Bidayuh | bth | Living |
| Bibbulman | xbp | Extinct |
| Bidhawal | ihw | Extinct |
| Bidiyo | bid | Living |
| Bidyara | bym | Living |
| Bidyogo | bjg | Living |
| Biem | bmc | Living |
| Bierebo | bnk | Living |
| Bieria | brj | Living |
| Biete | biu | Living |
| Big Nambas | nmb | Living |
| Biga | bhc | Living |
| Bigambal | xbe | Extinct |
| Bijori | bix | Living |
| Bikaru | bic | Living |
| Bikol | bik | Living |
| Bikya | byb | Living |
| Bila | bip | Living |
| Bilakura | bql | Living |
| Bilaspuri | kfs | Living |
| Bilba | bpz | Living |
| Bilbil | brz | Living |
| Bile | bil | Living |
| Bilin | byn | Living |
| Bilma Kanuri | bms | Living |
| Biloxi | bll | Extinct |
| Bilua | blb | Living |
| Bilur | bxf | Living |
| Bima | bhp | Living |
| Bimin | bhl | Living |
| Bimoba | bim | Living |
| Bina (Nigeria) | byj | Living |
| Bina (Papua New Guinea) | bmn | Extinct |
| Binahari | bxz | Living |
| Binandere | bhg | Living |
| Bindal | xbd | Extinct |
| Bine | bon | Living |
| Bini | bin | Living |
| Binji | bpj | Living |
| Binongan Itneg | itb | Living |
| Bintauna | bne | Living |
| Bintulu | bny | Living |
| Binukid | bkd | Living |
| Binumarien | bjr | Living |
| Bipi | biq | Living |
| Birale | bxe | Living |
| Birao | brr | Living |
| Birgit | btf | Living |
| Birhor | biy | Living |
| Biri | bzr | Extinct |
| Biritai | bqq | Living |
| Birked | brk | Extinct |
| Birri | bvq | Living |
| Birrpayi | xbj | Extinct |
| Birwa | brl | Living |
| Biseni | ije | Living |
| Bishnupriya | bpy | Living |
| Bishuo | bwh | Living |
| Bisis | bnw | Living |
| Bislama | bis | Living |
| Bisorio | bir | Living |
| Bissa | bib | Living |
| Bisu | bzi | Living |
| Bit | bgk | Living |
| Bitare | brt | Living |
| Bitur | mcc | Living |
| Biwat | bwm | Living |
| Biyo | byo | Living |
| Biyom | bpm | Living |
| Blablanga | blp | Living |
| Blafe | bfh | Living |
| Blagar | beu | Living |
| Blang | blr | Living |
| Blissymbols | zbl | Constructed |
| Bo (Laos) | bgl | Living |
| Bo (Papua New Guinea) | bpw | Living |
| Bo-Rukul | mae | Living |
| Bo-Ung | mux | Living |
| Boano (Maluku) | bzn | Living |
| Boano (Sulawesi) | bzl | Living |
| Bobongko | bgb | Living |
| Bobot | bty | Living |
| Bodo (Central African Republic) | boy | Living |
| Bodo (India) | brx | Living |
| Bodo Gadaba | gbj | Living |
| Bodo Parja | bdv | Living |
| Bofi | bff | Living |
| Boga | bvw | Living |
| Bogaya | boq | Living |
| Boghom | bux | Living |
| Boguru | bqu | Living |
| Bohtan Neo-Aramaic | bhn | Living |
| Boikin | bzf | Living |
| Bokha | ybk | Living |
| Boko (Benin) | bqc | Living |
| Boko (Democratic Republic of Congo) | bkp | Living |
| Bokobaru | bus | Living |
| Bokoto | bdt | Living |
| Bokyi | bky | Living |
| Bola | bnp | Living |
| Bolango | bld | Living |
| Bole | bol | Living |
| Bolgarian | xbo | Extinct |
| Bolgo | bvo | Living |
| Bolia | bli | Living |
| Bolinao | smk | Living |
| Bolivian Sign Language | bvl | Living |
| Bolo | blv | Living |
| Boloki | bkt | Living |
| Bolon | bof | Living |
| Bolondo | bzm | Living |
| Bolongan | blj | Living |
| Bolyu | ply | Living |
| Bom | bmf | Living |
| Boma | boh | Living |
| Bomboli | bml | Living |
| Bomboma | bws | Living |
| Bomitaba | zmx | Living |
| Bomu | bmq | Living |
| Bomwali | bmw | Living |
| Bon Gula | glc | Living |
| Bonan | peh | Living |
| Bondei | bou | Living |
| Bondo | bfw | Living |
| Bondoukou Kulango | kzc | Living |
| Bondum Dom Dogon | dbu | Living |
| Bonerate | bna | Living |
| Bonerif | bnv | Living |
| Bonggi | bdg | Living |
| Bonggo | bpg | Living |
| Bongili | bui | Living |
| Bongo | bot | Living |
| Bongu | bpu | Living |
| Bonjo | bok | Living |
| Bonkeng | bvg | Living |
| Bonkiman | bop | Living |
| Bontok | bnc | Living |
| Bookan | bnb | Living |
| Boon | bnl | Living |
| Boor | bvf | Living |
| Bora | boa | Living |
| Borana-Arsi-Guji Oromo | gax | Living |
| Border Kuna | kvn | Living |
| Borei | gai | Living |
| Borgu Fulfulde | fue | Living |
| Boro (Ethiopia) | bwo | Living |
| Boro (Ghana) | xxb | Extinct |
| Borong | ksr | Living |
| Boruca | brn | Living |
| Borôro | bor | Living |
| Boselewa | bwf | Living |
| Bosngun | bqs | Living |
| Bosnian | bos | Living |
| Bote-Majhi | bmj | Living |
| Botlikh | bph | Living |
| Botolan Sambal | sbl | Living |
| Bouna Kulango | nku | Living |
| Bouyei | pcc | Living |
| Bozaba | bzo | Living |
| Bragat | aof | Living |
| Brahui | brh | Living |
| Braj | bra | Living |
| Brazilian Sign Language | bzs | Living |
| Brem | buq | Living |
| Breri | brq | Living |
| Breton | bre | Living |
| Bribri | bzd | Living |
| Brithenig | bzt | Constructed |
| British Sign Language | bfi | Living |
| Brokkat | bro | Living |
| Brokpake | sgt | Living |
| Brokskat | bkk | Living |
| Brooke’s Point Palawano | plw | Living |
| Broome Pearling Lugger Pidgin | bpl | Living |
| Brunei | kxd | Living |
| Brunei Bisaya | bsb | Living |
| Bu | jid | Living |
| Bu-Nao Bunu | bwx | Living |
| Bua | bub | Living |
| Bualkhaw Chin | cbl | Living |
| Buamu | box | Living |
| Bube | bvb | Living |
| Bubi | buw | Living |
| Bubia | bbx | Living |
| Budeh Stieng | stt | Living |
| Budibud | btp | Living |
| Budong-Budong | bdx | Living |
| Budu | buu | Living |
| Budukh | bdk | Living |
| Buduma | bdm | Living |
| Budza | bja | Living |
| Bugan | bbh | Living |
| Bugawac | buk | Living |
| Bughotu | bgt | Living |
| Buginese | bug | Living |
| Buglere | sab | Living |
| Bugun | bgg | Living |
| Buhi’non Bikol | ubl | Living |
| Buhid | bku | Living |
| Buhutu | bxh | Living |
| Bukar-Sadung Bidayuh | sdo | Living |
| Bukat | bvk | Living |
| Bukharic | bhh | Living |
| Bukit Malay | bvu | Living |
| Bukitan | bkn | Living |
| Bukiyip | ape | Living |
| Buksa | tkb | Living |
| Bukusu | bxk | Living |
| Bukwen | buz | Living |
| Bulgarian | bul | Living |
| Bulgarian Sign Language | bqn | Living |
| Bulgebi | bmp | Living |
| Buli (Ghana) | bwu | Living |
| Buli (Indonesia) | bzq | Living |
| Bullom So | buy | Living |
| Bulo Stieng | sti | Living |
| Bulu (Cameroon) | bum | Living |
| Bulu (Papua New Guinea) | bjl | Living |
| Bum | bmv | Living |
| Bumaji | byp | Living |
| Bumang | bvp | Living |
| Bumbita Arapesh | aon | Living |
| Bumthangkha | kjz | Living |
| Bun | buv | Living |
| Buna | bvn | Living |
| Bunaba | bck | Living |
| Bunak | bfn | Living |
| Bunama | bdd | Living |
| Bundeli | bns | Living |
| Bung | bqd | Living |
| Bungain | but | Living |
| Bunganditj | xbg | Extinct |
| Bungku | bkz | Living |
| Bungu | wun | Living |
| Bunoge Dogon | dgb | Living |
| Bunun | bnn | Living |
| Buol | blf | Living |
| Bura-Pabir | bwr | Living |
| Burak | bys | Living |
| Buraka | bkg | Living |
| Burarra | bvr | Living |
| Burate | bti | Living |
| Burduna | bxn | Living |
| Bure | bvh | Living |
| Buriat | bua | Living |
| Burji | bji | Living |
| Burmbar | vrt | Living |
| Burmese | mya | Living |
| Burmeso | bzu | Living |
| Buru (Indonesia) | mhs | Living |
| Buru (Nigeria) | bqw | Living |
| Burui | bry | Living |
| Burumakok | aip | Living |
| Burun | bdi | Living |
| Burunge | bds | Living |
| Burushaski | bsk | Living |
| Burusu | bqr | Living |
| Buruwai | asi | Living |
| Busa | bqp | Living |
| Busam | bxs | Living |
| Busami | bsm | Living |
| Busang Kayan | bfg | Living |
| Bushi | buc | Living |
| Bushoong | buf | Living |
| Buso | bso | Living |
| Busoa | bup | Living |
| Bussa | dox | Living |
| Busuu | bju | Living |
| Butbut Kalinga | kyb | Living |
| Butmas-Tur | bnr | Living |
| Butuanon | btw | Living |
| Buwal | bhs | Living |
| Buyu | byi | Living |
| Buyuan Jinuo | jiy | Living |
| Bwa | bww | Living |
| Bwaidoka | bwd | Living |
| Bwanabwana | tte | Living |
| Bwatoo | bwa | Living |
| Bwe Karen | bwe | Living |
| Bwela | bwl | Living |
| Bwile | bwc | Living |
| Bwisi | bwz | Living |
| Byangsi | bee | Living |
| Byep | mkk | Living |
| Bädi Kanum | khd | Living |