ISO 639:b

| bnp |  |  | B | Y | Bola |   |
| bnq |  |  | B | Y | Bantik |   |
| bnr |  |  | B | Y | Butmas-Tur |   |
| bns |  |  | B | Y | Bundeli |   |
| bnu |  |  | B | Y | Bentong |   |
| bnv |  |  | B | Y | Bonerif |   |
| bnw |  |  | B | Y | Bisis |   |
| bnx |  |  | B | Y | Bangubangu |   |
| bny |  |  | B | Y | Bintulu |   |
| bnz |  |  | B | Y | Beezen |   |
| boa |  |  | B | Y | Bora |   |
| bob |  |  | B | Y | Boni |   |
| boc |  |  | B | Y | Kenyah, Bakung |   |
| bod | bod | bo | B | Y | Tibetan | Tibetçe |
| boe |  |  | B | Y | Mundabli |   |
| bof |  |  | B | Y | Bolon |   |
| bog |  |  | B | Y | Bamako Sign Language | Bamako İşaret Dili |
| boh |  |  | B | Y | Boma |   |
| boi |  |  | B | Ö | Barbareño |   |
| boj |  |  | B | Y | Anjam |   |
| bok |  |  | B | Y | Bonjo |   |
| bol |  |  | B | Y | Bole |   |
| bom |  |  | B | Y | Berom |   |
| bon |  |  | B | Y | Bine |   |
| boo |  |  | B | Y | Bozo, Tièma Cièwè |   |
| bop |  |  | B | Y | Bonkiman |   |
| boq |  |  | B | Y | Bogaya |   |
| bor |  |  | B | Y | Borôro |   |
| bos | bos | bs | B | Y | Bosnian | Boşnakça |
| bot |  |  | B | Y | Bongo |   |
| bou |  |  | B | Y | Bondei |   |
| bov |  |  | B | Y | Tuwuli |   |
| bow |  |  | B | Ö | Rema |   |
| box |  |  | B | Y | Buamu |   |
| boy |  |  | B | Y | Bodo (Central African Republic) |   |
| boz |  |  | B | Y | Bozo, Tiéyaxo |   |
| bpa |  |  | B | Y | Dakaka |   |
| bpb |  |  | B | Ö | Barbacoas |   |
| bpd |  |  | B | Y | Banda-Banda |   |
| bpg |  |  | B | Y | Bonggo |   |
| bph |  |  | B | Y | Botlikh | Buykhali |
| bpi |  |  | B | Y | Bagupi |   |
| bpj |  |  | B | Y | Binji |   |
| bpk |  |  | B | Y | Orowe |   |
| bpl |  |  | B | Y | Broome Pearling Lugger Pidgin |   |
| bpm |  |  | B | Y | Biyom |   |
| bpn |  |  | B | Y | Dzao Min |   |
| bpo |  |  | B | Y | Anasi |   |
| bpp |  |  | B | Y | Kaure |   |
| bpq |  |  | B | Y | Malay, Banda | Malayca, Banda Lehçesi |
| bpr |  |  | B | Y | Blaan, Koronadal |   |
| bps |  |  | B | Y | Blaan, Sarangani |   |
| bpt |  |  | B | Y | Barrow Point |   |
| bpu |  |  | B | Y | Bongu |   |
| bpv |  |  | B | Y | Marind, Bian |   |
| bpw |  |  | B | Y | Bo (Papua New Guinea) |   |
| bpx |  |  | B | Y | Bareli, Palya |   |
| bpy |  |  | B | Y | Bishnupriya |   |
| bpz |  |  | B | Y | Bilba |   |
| bqa |  |  | B | Y | Tchumbuli |   |
| bqb |  |  | B | Y | Bagusa |   |
| bqc |  |  | B | Y | Boko (Benin) |   |
| bqd |  |  | B | Y | Bung |   |
| bqe |  |  | B | Y | Basque, Navarro-Labourdin | BAskça, Navarro-Labourd Lehçesi |
| bqf |  |  | B | Ö | Baga Kaloum |   |
| bqg |  |  | B | Y | Bago-Kusuntu |   |
| bqh |  |  | B | Y | Baima |   |
| bqi |  |  | B | Y | Bakhtiari | Bahtiyari |
| bqj |  |  | B | Y | Bandial |   |
| bqk |  |  | B | Y | Banda-Mbrès |   |
| bql |  |  | B | Y | Bilakura |   |
| bqm |  |  | B | Y | Wumboko |   |
| bqn |  |  | B | Y | Bulgarian Sign Language | Bulgar İşaret Dili |
| bqo |  |  | B | Y | Balo |   |
| bqp |  |  | B | Y | Busa |   |
| bqq |  |  | B | Y | Biritai |   |
| bqr |  |  | B | Y | Burusu |   |
| bqs |  |  | B | Y | Bosngun |   |
| bqt |  |  | B | Y | Bamukumbit |   |
| bqu |  |  | B | Y | Boguru |   |
| bqv |  |  | B | Y | Begbere-Ejar |   |
| bqw |  |  | B | Y | Buru (Nigeria) |   |
| bqx |  |  | B | Y | Baangi |   |
| bqy |  |  | B | Y | Bali Sign Language | Bali İşaret Dili |
| bqz |  |  | B | Y | Bakaka |   |
| bra | bra |  | B | Y | Braj |   |
| brb |  |  | B | Y | Lave |   |
| brc |  |  | B | Y | Berbice Creole Dutch | Berbice Guyan Kırma Hollandacası |
| brd |  |  | B | Y | Baraamu |   |
| bre | bre | br | B | Y | Breton | Bretonca; Bröton |
| brf |  |  | B | Y | Bera |   |
| brg |  |  | B | Y | Baure |   |
| brh |  |  | B | Y | Brahui |   |
| bri |  |  | B | Y | Mokpwe |   |
| brj |  |  | B | Y | Bieria |   |
| brk |  |  | B | Ö | Birked |   |
| brl |  |  | B | Y | Birwa |   |
| brm |  |  | B | Y | Barambu |   |
| brn |  |  | B | Y | Boruca |   |
| bro |  |  | B | Y | Brokkat |   |
| brp |  |  | B | Y | Barapasi |   |
| brq |  |  | B | Y | Breri |   |
| brr |  |  | B | Y | Birao |   |
| brs |  |  | B | Y | Baras |   |
| brt |  |  | B | Y | Bitare |   |
| bru |  |  | B | Y | Bru, Eastern |   |
| brv |  |  | B | Y | Bru, Western |   |
| brw |  |  | B | Y | Bellari |   |
| brx |  |  | B | Y | Bodo (India) |   |
| bry |  |  | B | Y | Burui |   |
| brz |  |  | B | Y | Bilbil |   |
| bsa |  |  | B | Y | Abinomn |   |
| bsb |  |  | B | Y | Bisaya, Brunei |   |
| bsc |  |  | B | Y | Bassari |   |
| bsd |  |  | B | Y | Bisaya, Sarawak |   |
| bse |  |  | B | Y | Wushi |   |
| bsf |  |  | B | Y | Bauchi |   |
| bsg |  |  | B | Y | Bashkardi | Başkardi |
| bsh |  |  | B | Y | Kati |   |
| bsi |  |  | B | Y | Bassossi |   |
| bsj |  |  | B | Y | Bangwinji |   |
| bsk |  |  | B | Y | Burushaski |   |
| bsl |  |  | B | Ö | Basa-Gumna |   |
| bsm |  |  | B | Y | Busami |   |
| bsn |  |  | B | Y | Barasana |   |
| bso |  |  | B | Y | Buso |   |
| bsp |  |  | B | Y | Baga Sitemu |   |
| bsq |  |  | B | Y | Bassa |   |
| bsr |  |  | B | Y | Bassa-Kontagora |   |
| bss |  |  | B | Y | Akoose |   |
| bst |  |  | B | Y | Basketo |   |
| bsu |  |  | B | Y | Bahonsuai |   |
| bsv |  |  | B | Ö | Baga Sobané |   |
| bsw |  |  | B | Y | Baiso |   |
| bsx |  |  | B | Y | Yangkam |   |
| bsy |  |  | B | Y | Bisaya, Sabah | Visaya, Sabah Lehçesi |
| bsz |  |  | B | Y | Basque, Souletin | Baskça, Soule Lehçesi |
| bta |  |  | B | Y | Bata |   |
| btb |  |  | B | Y | Beti (Cameroon) |   |
| btc |  |  | B | Y | Bati (Cameroon) |   |
| btd |  |  | B | Y | Batak Dairi |   |
| bte |  |  | B | Ö | Gamo-Ningi |   |
| btf |  |  | B | Y | Birgit |   |
| btg |  |  | B | Y | Bété, Gagnoa |   |
| bth |  |  | B | Y | Biatah |   |
| bti |  |  | B | Y | Burate |   |
| btj |  |  | B | Y | Malay, Bacanese |   |
| btl |  |  | B | Y | Bhatola |   |
| btm |  |  | B | Y | Batak Mandailing |   |
| btn |  |  | B | Y | Ratagnon |   |
| bto |  |  | B | Y | Bicolano, Iriga |   |
| btp |  |  | B | Y | Budibud |   |
| btq |  |  | B | Y | Batek |   |
| btr |  |  | B | Y | Baetora |   |
| bts |  |  | B | Y | Batak Simalungun |   |
| btt |  |  | B | Y | Bete-Bendi |   |
| btu |  |  | B | Y | Batu |   |
| btv |  |  | B | Y | Bateri |   |
| btw |  |  | B | Y | Butuanon |   |
| btx |  |  | B | Y | Batak Karo |   |
| bty |  |  | B | Y | Bobot | Bobot |
| btz |  |  | B | Y | Batak Alas-Kluet |   |
| bua | bua |  | M | Y | Buriat | Buryatça |
| bub |  |  | B | Y | Bua |   |
| buc |  |  | B | Y | Bushi |   |
| bud |  |  | B | Y | Ntcham |   |
| bue |  |  | B | Ö | Beothuk |   |
| buf |  |  | B | Y | Bushoong |   |
| bug | bug |  | B | Y | Buginese | Buginezce |
| buh |  |  | B | Y | Bunu, Younuo |   |
| bui |  |  | B | Y | Bongili |   |
| buj |  |  | B | Y | Basa-Gurmana |   |
| buk |  |  | B | Y | Bugawac |   |
| bul | bul | bg | B | Y | Bulgarian | Bulgarca |
| bum |  |  | B | Y | Bulu (Cameroon) |   |
| bun |  |  | B | Y | Sherbro |   |
| buo |  |  | B | Y | Terei |   |
| bup |  |  | B | Y | Busoa |   |
| buq |  |  | B | Y | Brem |   |
| bus |  |  | B | Y | Bokobaru |   |
| but |  |  | B | Y | Bungain |   |
| buu |  |  | B | Y | Budu |   |
| buv |  |  | B | Y | Bun |   |
| buw |  |  | B | Y | Bubi |   |
| bux |  |  | B | Y | Boghom |   |
| buy |  |  | B | Y | Bullom So |   |
| buz |  |  | B | Y | Bukwen |   |
| bva |  |  | B | Y | Barein |   |
| bvb |  |  | B | Y | Bube |   |
| bvc |  |  | B | Y | Baelelea |   |
| bvd |  |  | B | Y | Baeggu |   |
| bve |  |  | B | Y | Malay, Berau |   |
| bvf |  |  | B | Y | Boor |   |
| bvg |  |  | B | Y | Bonkeng |   |
| bvh |  |  | B | Y | Bure |   |
| bvi |  |  | B | Y | Belanda Viri |   |
| bvj |  |  | B | Y | Baan |   |
| bvk |  |  | B | Y | Bukat |   |
| bvl |  |  | B | Y | Bolivian Sign Language | Boliviya İşaret Dili |
| bvm |  |  | B | Y | Bamunka |   |
| bvn |  |  | B | Y | Buna |   |
| bvo |  |  | B | Y | Bolgo |   |
| bvq |  |  | B | Y | Birri |   |
| bvr |  |  | B | Y | Burarra |   |
| bvs |  |  | B | Y | Belgian Sign Language | Belçika İşaret Dili |
| bvt |  |  | B | Y | Bati (Indonesia) |   |
| bvu |  |  | B | Y | Malay, Bukit |   |
| bvv |  |  | B | Ö | Baniva |   |
| bvw |  |  | B | Y | Boga |   |
| bvx |  |  | B | Y | Dibole |   |
| bvz |  |  | B | Y | Bauzi |   |
| bwa |  |  | B | Y | Bwatoo |   |
| bwb |  |  | B | Y | Namosi-Naitasiri-Serua |   |
| bwc |  |  | B | Y | Bwile |   |
| bwd |  |  | B | Y | Bwaidoka |   |
| bwe |  |  | B | Y | Karen, Bwe |   |
| bwf |  |  | B | Y | Boselewa |   |
| bwg |  |  | B | Y | Barwe |   |
| bwh |  |  | B | Y | Bishuo |   |
| bwi |  |  | B | Y | Baniwa |   |
| bwj |  |  | B | Y | Bwamu, Láá Láá |   |
| bwk |  |  | B | Y | Bauwaki |   |
| bwl |  |  | B | Y | Bwela |   |
| bwm |  |  | B | Y | Biwat |   |
| bwn |  |  | B | Y | Bunu, Wunai |   |
| bwo |  |  | B | Y | Boro |   |
| bwp |  |  | B | Y | Mandobo Bawah |   |
| bwq |  |  | B | Y | Bobo Madaré, Southern |   |
| bwr |  |  | B | Y | Bura-Pabir |   |
| bws |  |  | B | Y | Bomboma |   |
| bwt |  |  | B | Y | Bafaw-Balong |   |
| bwu |  |  | B | Y | Buli (Ghana) |   |
| bwv |  |  | B | Y | Kenyah, Bahau River |   |
| bww |  |  | B | Y | Bwa |   |
| bwx |  |  | B | Y | Bunu, Bu-Nao |   |
| bwy |  |  | B | Y | Bwamu, Cwi |   |
| bwz |  |  | B | Y | Bwisi |   |
| bxa |  |  | B | Y | Bauro |   |
| bxb |  |  | B | Y | Belanda Bor |   |
| bxc |  |  | B | Y | Molengue |   |
| bxd |  |  | B | Y | Pela |   |
| bxe |  |  | B | Y | Birale |   |
| bxf |  |  | B | Y | Bilur |   |
| bxg |  |  | B | Y | Bangala |   |
| bxh |  |  | B | Y | Buhutu |   |
| bxi |  |  | B | Ö | Pirlatapa |   |
| bxj |  |  | B | Y | Bayungu |   |
| bxk |  |  | B | Y | Bukusu |   |
| bxl |  |  | B | Y | Jalkunan |   |
| bxm |  |  | B | Y | Buriat, Mongolia |   |
| bxn |  |  | B | Y | Burduna |   |
| bxo |  |  | B | Y | Barikanchi |   |
| bxp |  |  | B | Y | Bebil |   |
| bxq |  |  | B | Y | Beele |   |
| bxr |  |  | B | Y | Buriat, Russia |   |
| bxs |  |  | B | Y | Busam |   |
| bxt |  |  | B | Y | Buxinhua |   |
| bxu |  |  | B | Y | Buriat, China |   |
| bxv |  |  | B | Y | Berakou |   |
| bxw |  |  | B | Y | Bankagooma |   |
| bxx |  |  | B | Y | Borna |   |
| bxz |  |  | B | Y | Binahari |   |
| bya |  |  | B | Y | Batak |   |
| byb |  |  | B | Y | Bikya |   |
| byc |  |  | B | Y | Ubaghara |   |
| byd |  |  | B | Y | Benyadu' |   |
| bye |  |  | B | Y | Pouye |   |
| byf |  |  | B | Y | Bete |   |
| byg |  |  | B | Ö | Baygo |   |
| byh |  |  | B | Y | Bujhyal |   |
| byi |  |  | B | Y | Buyu |   |
| byj |  |  | B | Y | Bina (Nigeria) |   |
| byk |  |  | B | Y | Biao |   |
| byl |  |  | B | Y | Bayono |   |
| bym |  |  | B | Y | Bidyara |   |
| byn | byn |  | B | Y | Blin; Bilin |   |
| byo |  |  | B | Y | Biyo |   |
| byp |  |  | B | Y | Bumaji |   |
| byq |  |  | B | Ö | Basay |   |
| byr |  |  | B | Y | Baruya |   |
| bys |  |  | B | Y | Burak |   |
| byt |  |  | B | Ö | Berti |   |
| byu |  |  | B | Y | Buyang |   |
| byv |  |  | B | Y | Medumba |   |
| byw |  |  | B | Y | Belhariya |   |
| byx |  |  | B | Y | Qaqet |   |
| byy |  |  | B | Y | Buya |   |
| byz |  |  | B | Y | Banaro |   |
| bza |  |  | B | Y | Bandi |   |
| bzb |  |  | B | Y | Andio |   |
| bzd |  |  | B | Y | Bribri |   |
| bze |  |  | B | Y | Bozo, Jenaama |   |
| bzf |  |  | B | Y | Boikin |   |
| bzg |  |  | B | Y | Babuza |   |
| bzh |  |  | B | Y | Buang, Mapos |   |
| bzj |  |  | B | Y | Belize Creole English | Belize Kırma İngilizcesi |
| bzk |  |  | B | Y | Nicaragua Creole English | Nikaragua Kırma İngilizcesi |
| bzl |  |  | B | Y | Boano (Sulawesi) |   |
| bzm |  |  | B | Y | Bolondo |   |
| bzn |  |  | B | Y | Boano (Maluku) |   |
| bzo |  |  | B | Y | Bozaba |   |
| bzp |  |  | B | Y | Kemberano |   |
| bzq |  |  | B | Y | Buli (Indonesia) |   |
| bzr |  |  | B | Ö | Biri |   |
| bzs |  |  | B | Y | Brazilian Sign Language | Brezilya İşaret Dili |
| bzt |  |  | B | K | Brithenig |   |
| bzu |  |  | B | Y | Burmeso |   |
| bzv |  |  | B | Y | Bebe |   |
| bzw |  |  | B | Y | Basa (Nigeria) |   |
| bzx |  |  | B | Y | Bozo, Hainyaxo |   |
| bzy |  |  | B | Y | Obanliku |   |
| bzz |  |  | B | Y | Evant |   |