Social:ISO 639:b
Template:ISO 639-3 header
|-
! baa
| || || I/L || Austronesian || || Babatana
|-
! bab
| || || I/L || Niger-Congo || || Bainouk-Gunyuño
|-
! bac
| || || I/L || Austronesian || || Badui
|-Template:ISO 639-3 style
! bae
| || || I/E || Arawakan || || Baré
|-
! baf
| || || I/L || Niger-Congo || || Nubaca
|-
! bag
| || || I/L || Niger-Congo || || Tuki
|-
! bah
| || || I/L || English Creole || || Bahamas Creole English
|-
! baj
| || || I/L || Austronesian || || Barakai
|-
! bak
| ba || bak || I/L || Turkic || башҡорт || Bashkir
|-Template:ISO 639-3 style
! bal
| || bal || M/L || Indo-European || بلوچی || Baluchi
|-
! bam
| bm || bam || I/L || Niger–Congo || bamanankan || Bambara
|-
! ban
| || ban || I/L || Austronesian || Basa Bali || Balinese
|-
! bao
| || || I/L || Tucanoan || || Waimaha
|-
! bap
| || || I/L || Sino-Tibetan || बान्तावा || Bantawa
|-
! bar
| || || I/L || Indo-European || || Bavarian
|-
! bas
| || bas || I/L || Niger-Congo || ɓasaá || Basa (Cameroon)
|-
! bau
| || || I/L || Niger-Congo || || Bada (Nigeria)
|-
! bav
| || || I/L || Niger-Congo || || Vengo
|-
! baw
| || || I/L || Niger-Congo || || Bambili-Bambui
|-
! bax
| || || I/L || Niger-Congo || || Bamun
|-
! bay
| || || I/L || Austronesian || || Batuley
|-
! (baz)
| || || I/L || Niger-Congo || || Tunen
|-
! bba
| || || I/L || Niger-Congo || || Baatonum
|-
! bbb
| || || I/L || Trans-New Guinea || || Barai
|-
! bbc
| || || I/L || Austronesian || || Batak Toba
|-
! bbd
| || || I/L || Trans-New Guinea || || Bau
|-
! bbe
| || || I/L || Niger-Congo || || Bangba
|-
! bbf
| || || I/L || Fas || || Baibai
|-
! bbg
| || || I/L || Niger-Congo || || Barama
|-
! bbh
| || || I/L || Austroasiatic || Pakan || Bugan
|-
! bbi
| || || I/L || Niger-Congo || || Barombi
|-
! bbj
| || || I/L || Niger-Congo || || Ghomálá'
|-
! bbk
| || || I/L || Niger-Congo || || Babanki
|-
! bbl
| || || I/L || Northeast Caucasian || || Bats
|-
! bbm
| || || I/L || Niger-Congo || || Babango
|-
! bbn
| || || I/L || Austronesian || || Uneapa
|-
! bbo
| || || I/L || Niger-Congo || || Konabéré; Northern Bobo Madaré
|-
! bbp
| || || I/L || Niger-Congo || || West Central Banda
|-
! bbq
| || || I/L || Niger-Congo || || Bamali
|-
! bbr
| || || I/L || Trans-New Guinea || || Girawa
|-
! bbs
| || || I/L || Niger-Congo || || Bakpinka
|-
! bbt
| || || I/L || Afro-Asiatic || || Mburku
|-
! bbu
| || || I/L || Niger-Congo || || Kulung (Nigeria)
|-
! bbv
| || || I/L || Austronesian || || Karnai
|-
! bbw
| || || I/L || Niger-Congo || || Baba
|-
! bbx
| || || I/L || Niger-Congo || || Bubia
|-
! bby
| || || I/L || Niger-Congo || || Befang
|-
! (bbz)
| || || I/L || spurious language || || Babalia Creole Arabic
|-
! bca
| || || I/L || Sino-Tibetan || Baip‧ngvp‧zix || Central Bai
|-
! bcb
| || || I/L || Niger-Congo || || Bainouk-Samik
|-
! bcc
| || || I/L || Indo-European || بلوچی || Southern Balochi
|-
! bcd
| || || I/L || Austronesian || || North Babar
|-
! bce
| || || I/L || Niger-Congo || || Bamenyam
|-
! bcf
| || || I/L || Kiwaian || || Bamu
|-
! bcg
| || || I/L || Niger-Congo || || Baga Pokur
|-
! bch
| || || I/L || Austronesian || || Bariai
|-
! bci
| || || I/L || Niger-Congo || || Baoulé
|-
! bcj
| || || I/L || Nyulnyulan || || Bardi
|-
! bck
| || || I/L || Bunuban || || Bunuba
|-
! bcl
| || || I/L || Austronesian || || Central Bikol
|-
! bcm
| || || I/L || Austronesian || || Bannoni
|-
! bcn
| || || I/L || Niger-Congo || || Bali (Nigeria)
|-
! bco
| || || I/L || Trans-New Guinea || || Kaluli
|-
! bcp
| || || I/L || Niger-Congo || || Bali (Democratic Republic of Congo)
|-
! bcq
| || || I/L || Afro-Asiatic || || Bench
|-
! bcr
| || || I/L || Na-Dené || Witsuwit'en || Babine
|-
! bcs
| || || I/L || Niger-Congo || || Kohumono
|-
! bct
| || || I/L || Nilo-Saharan || || Bendi
|-
! bcu
| || || I/L || Austronesian || || Awad Bing
|-
! bcv
| || || I/L || Niger-Congo || || Shoo-Minda-Nye
|-
! bcw
| || || I/L || Afro-Asiatic || || Bana
|-
! (bcx)
| || || I/L || Austronesian || || Pamona
|-
! bcy
| || || I/L || Afro-Asiatic || || Bacama
|-
! bcz
| || || I/L || Niger-Congo || || Bainouk-Gunyaamolo
|-
! bda
| || || I/L || Niger–Congo? || || Bayot
|-
! bdb
| || || I/L || Austronesian || || Basap
|-
! bdc
| || || I/L || Chocoan || || Emberá-Baudó
|-
! bdd
| || || I/L || Austronesian || || Bunama
|-
! bde
| || || I/L || Afro-Asiatic || || Bade
|-
! bdf
| || || I/L || Trans-New Guinea || || Biage
|-
! bdg
| || || I/L || Austronesian || || Bonggi
|-
! bdh
| || || I/L || Nilo-Saharan || || Baka (South Sudan)
|-
! bdi
| || || I/L || Nilo-Saharan || || Burun
|-
! bdj
| || || I/L || Niger-Congo || Bairt⤧ngvrt⤧zix || Bai; Bai (South Sudan)
|-
! bdk
| || || I/L || Northeast Caucasian || || Budukh
|-
! bdl
| || || I/L || Austronesian || || Indonesian Bajau
|-
! bdm
| || || I/L || Afro-Asiatic || || Buduma
|-
! bdn
| || || I/L || Afro-Asiatic || || Baldemu
|-
! bdo
| || || I/L || Nilo-Saharan || || Morom
|-
! bdp
| || || I/L || Niger-Congo || || Bende
|-
! bdq
| || || I/L || Austroasiatic || || Bahnar
|-
! bdr
| || || I/L || Austronesian || || West Coast Bajau
|-
! bds
| || || I/L || Afro-Asiatic || || Burunge
|-
! bdt
| || || I/L || Niger-Congo || || Bokoto
|-
! bdu
| || || I/L || Niger-Congo || || Oroko
|-
! bdv
| || || I/L || Indo-European || || Bodo Parja
|-
! bdw
| || || I/L || Trans-New Guinea || || Baham
|-
! bdx
| || || I/L || Austronesian || || Budong-Budong
|-
! bdy
| || || I/L || Pama-Nyungan || || Bandjalang
|-
! bdz
| || || I/L || Indo-European || || Badeshi
|-
! bea
| || || I/L || Na-Dené || Dunne-za || Beaver
|-
! beb
| || || I/L || Niger-Congo || || Bebele
|-
! bec
| || || I/L || Niger-Congo || || Iceve-Maci
|-
! bed
| || || I/L || Austronesian || || Bedoanas
|-
! bee
| || || I/L || Sino-Tibetan || || Byangsi
|-
! bef
| || || I/L || Trans-New Guinea || || Benabena
|-
! beg
| || || I/L || Austronesian || || Belait
|-
! beh
| || || I/L || Niger-Congo || || Biali
|-
! bei
| || || I/L || Austronesian || || Bekati'
|-
! bej
| || bej || I/L || Afro-Asiatic || بداوية || Bedawiyet; Beja
|-
! bek
| || || I/L || Austronesian || || Bebeli
|-
! bel
| be || bel || I/L || Indo-European || беларуская || Belarusian
|-
! bem
| || bem || I/L || Niger-Congo || ichibemba || Bemba (Zambia)
|-
! ben
| bn || ben || I/L || Indo-European || বাংলা || Bengali
|-
! beo
| || || I/L || Niger-Congo || || Beami
|-
! bep
| || || I/L || Trans-New Guinea || || Besoa
|-
! beq
| || || I/L || Austronesian || || Beembe
|-
! bes
| || || I/L || Niger-Congo || || Besme
|-
! bet
| || || I/L || Niger-Congo || || Guiberoua Béte
|-
! beu
| || || I/L || Timor-Alor-Pantar || || Blagar
|-
! bev
| || || I/L || Niger-Congo || || Daloa Bété
|-
! bew
| || || I/L || Malay-based Creole || Bahasa Betawi || Betawi
|-
! bex
| || || I/L || Nilo-Saharan || || Jur Modo
|-
! bey
| || || I/L || Torricelli || || Beli (Papua New Guinea)
|-
! bez
| || || I/L || Niger-Congo || || Bena (Tanzania)
|-
! bfa
| || || I/L || Nilo-Saharan || || Bari
|-
! bfb
| || || I/L || Indo-European || || Pauri Bareli
|-
! bfc
| || || I/L || Sino-Tibetan || Baip‧ngvp‧zix || Northern Bai; Panyi Bai
|-
! bfd
| || || I/L || Niger-Congo || || Bafut
|-
! bfe
| || || I/L || Foja Range || || Betaf; Tena
|-
! bff
| || || I/L || Niger-Congo || || Bofi
|-
! bfg
| || || I/L || Austronesian || || Busang Kayan
|-
! bfh
| || || I/L || Yam || || Blafe
|-
! bfi
| || || I/L || BANZSL || || British Sign Language
|-
! bfj
| || || I/L || Niger-Congo || || Bafanji
|-
! bfk
| || || I/L || village sign language || || Ban Khor Sign Language
|-
! bfl
| || || I/L || Niger-Congo || || Banda-Ndélé
|-
! bfm
| || || I/L || Niger-Congo || || Mmen
|-
! bfn
| || || I/L || Trans-New Guinea || || Bunak
|-
! bfo
| || || I/L || Niger-Congo || || Malba Birifor
|-
! bfp
| || || I/L || Niger-Congo || || Beba
|-
! bfq
| || || I/L || Dravidian || ಬಡಗ || Badaga
|-
! bfr
| || || I/L || Indo-European || || Bazigar
|-
! bfs
| || || I/L || Sino-Tibetan || Baip‧ngvp‧zix || Southern Bai
|-
! bft
| || || I/L || Sino-Tibetan || بلتی || Balti
|-
! bfu
| || || I/L || Sino-Tibetan || || Gahri
|-
! bfw
| || || I/L || Austroasiatic || || Bondo
|-
! bfx
| || || I/L || Austronesian || || Bantayanon
|-
! bfy
| || || I/L || Indo-European || || Bagheli
|-
! bfz
| || || I/L || Indo-European || || Mahasu Pahari
|-
! bga
| || || I/L || Niger-Congo || || Gwamhi-Wuri
|-
! bgb
| || || I/L || Austronesian || || Bobongko
|-
! bgc
| || || I/L || Indo-European || || Haryanvi
|-
! bgd
| || || I/L || Indo-European || || Rathwi Bareli
|-
! bge
| || || I/L || Indo-European || || Bauria
|-
! bgf
| || || I/L || Niger-Congo || || Bangandu
|-
! bgg
| || || I/L || Sino-Tibetan || Khowa || Bugun
|-
! (bgh)
| || || I/L || || || Bogan
|-
! bgi
| || || I/L || Austronesian || || Giangan
|-
! bgj
| || || I/L || Niger-Congo || || Bangolan
|-
! bgk
| || || I/L || Austroasiatic || || Bit; Buxinhua
|-
! bgl
| || || I/L || Austroasiatic || || Bo (Laos)
|-
! (bgm)
| || || I/L || Niger-Congo || || Baga Mboteni
|-
! bgn
| || || I/L || Indo-European || || Western Balochi
|-
! bgo
| || || I/L || Niger–Congo? || || Baga Koga
|-
! bgp
| || || I/L || Indo-European || || Eastern Balochi
|-
! bgq
| || || I/L || Indo-European || || Bagri
|-
! bgr
| || || I/L || Sino-Tibetan || || Bawm Chin
|-
! bgs
| || || I/L || Austronesian || || Tagabawa
|-
! bgt
| || || I/L || Austronesian || || Bughotu
|-
! bgu
| || || I/L || Niger-Congo || || Mbongno
|-
! bgv
| || || I/L || Trans-New Guinea || || Warkay-Bipim
|-
! bgw
| || || I/L || Indo-European || || Bhatri
|-
! bgx
| || || I/L || Turkic || || Balkan Gagauz Turkish
|-
! bgy
| || || I/L || Austronesian || || Benggoi
|-
! bgz
| || || I/L || Austronesian || || Banggai
|-
! bha
| || || I/L || Indo-European || || Bharia
|-
! bhb
| || || I/L || Indo-European || भीली || Bhili
|-
! bhc
| || || I/L || Austronesian || || Biga
|-
! bhd
| || || I/L || Indo-European || || Bhadrawahi
|-
! bhe
| || || I/L || Indo-European || || Bhaya
|-
! bhf
| || || I/L || Senu River || || Odiai
|-
! bhg
| || || I/L || Trans-New Guinea || || Binandere
|-
! bhh
| || || I/L || Indo-European || || Bukharic
|-
! bhi
| || || I/L || Indo-European || || Bhilali
|-
! bhj
| || || I/L || Sino-Tibetan || || Bahing
|-
! (bhk)
| || || I/L || Austronesian || || Albay Bicolano
|-
! bhl
| || || I/L || Trans-New Guinea || || Bimin
|-
! bhm
| || || I/L || Afro-Asiatic || || Bathari
|-
! bhn
| || || I/L || Afro-Asiatic || || Bohtan Neo-Aramaic
|-
! bho
| || bho || I/L || Indo-European || भोजपुरी || Bhojpuri
|-
! bhp
| || || I/L || Austronesian || || Bima
|-
! bhq
| || || I/L || Austronesian || || Tukang Besi South
|-
! bhr
| || || I/L || Austronesian || || Bara Malagasy
|-
! bhs
| || || I/L || Afro-Asiatic || || Buwal
|-
! bht
| || || I/L || Indo-European || || Bhattiyali
|-
! bhu
| || || I/L || Indo-European || || Bhunjia
|-
! bhv
| || || I/L || Austronesian || || Bahau
|-
! bhw
| || || I/L || Austronesian || || Biak
|-
! bhx
| || || I/L || spurious || || Bhalay
|-
! bhy
| || || I/L || Niger-Congo || || Bhele
|-
! bhz
| || || I/L || Austronesian || || Bada (Indonesia)
|-
! bia
| || || I/L || Pama-Nyungan || || Badimaya
|-
! bib
| || || I/L || Niger-Congo || || Bisa; Bissa
|-
! (bic)
| || || I/L || spurious language || || Bikaru
|-
! bid
| || || I/L || Afro-Asiatic || || Bidiyo
|-
! bie
| || || I/L || Madang || || Bepour
|-
! bif
| || || I/L || Niger-Congo || || Biafada
|-
! big
| || || I/L || Trans-New Guinea || || Biangai
|-
! (bii)
| || || I/L || Sino-Tibetan || || Bisu
|-
! (bij)
| || || I/L || Niger-Congo || || Vaghat-Ya-Bijim-Legeri
|-Template:ISO 639-3 style
! bik
| || bik || M/L || Austronesian || Bicol || Bikol
|-
! bil
| || || I/L || Niger-Congo || || Bile
|-
! bim
| || || I/L || Niger-Congo || || Bimoba
|-
! bin
| || bin || I/L || Niger-Congo || Èdó || Bini; Edo
|-
! bio
| || || I/L || Senu River || || Nai
|-
! bip
| || || I/L || Niger-Congo || || Bila
|-
! biq
| || || I/L || Austronesian || || Bipi
|-
! bir
| || || I/L || Engan || || Bisorio
|-
! bis
| bi || bis || I/L || English Creole || Bislama || Bislama
|-
! bit
| || || I/L || Sepik || || Berinomo
|-
! biu
| || || I/L || Sino-Tibetan || || Biete
|-
! biv
| || || I/L || Niger-Congo || || Southern Birifor
|-
! biw
| || || I/L || Niger-Congo || || Kol (Cameroon)
|-
! bix
| || || I/L || Austroasiatic || || Bijori
|-
! biy
| || || I/L || Austroasiatic || || Birhor
|-
! biz
| || || I/L || Niger-Congo || || Baloi
|-
! bja
| || || I/L || Niger-Congo || || Budza
|-Template:ISO 639-3 style
! bjb
| || || I/E || Pama-Nyungan || || Banggarla
|-
! bjc
| || || I/L || Trans-New Guinea || || Bariji
|-
! (bjd)
| || || I/L || Pama-Nyungan || || Bandjigali
|-
! bje
| || || I/L || Hmong-Mien || || Biao-Jiao Mien
|-
! bjf
| || || I/L || Afro-Asiatic || || Barzani Jewish Neo-Aramaic
|-
! bjg
| || || I/L || Niger-Congo || || Bidyogo
|-
! bjh
| || || I/L || Sepik || || Bahinemo
|-
! bji
| || || I/L || Afro-Asiatic || || Burji
|-
! bjj
| || || I/L || Indo-European || || Kanauji
|-
! bjk
| || || I/L || Austronesian || || Barok
|-
! bjl
| || || I/L || Austronesian || || Bulu (Papua New Guinea)
|-
! bjm
| || || I/L || Indo-European || || Bajelani
|-
! bjn
| || || I/L || Austronesian || || Banjar
|-
! bjo
| || || I/L || Niger-Congo || || Mid-Southern Banda
|-
! bjp
| || || I/L || Austronesian || || Fanamaket
|-
! (bjq)
| || || I/L || Austronesian || || Southern Betsimisaraka Malagasy
|-
! bjr
| || || I/L || Trans-New Guinea || || Binumarien
|-
! bjs
| || || I/L || English Creole || || Bajan
|-
! bjt
| || || I/L || Niger-Congo || || Balanta-Ganja
|-
! bju
| || || I/L || Niger-Congo || || Busuu
|-
! bjv
| || || I/L || Nilo-Saharan || || Bedjond
|-
! bjw
| || || I/L || Niger-Congo || || Bakwé
|-
! bjx
| || || I/L || Austronesian || || Banao Itneg
|-Template:ISO 639-3 style
! bjy
| || || I/E || Pama-Nyungan || || Bayali
|-
! bjz
| || || I/L || Trans-New Guinea || || Baruga
|-
! bka
| || || I/L || Niger-Congo || || Kyak
|-
! (bkb)
| || || I/L || Austronesian || || Finallig
|-
! bkc
| || || I/L || Niger-Congo || || Baka (Cameroon)
|-
! bkd
| || || I/L || Austronesian || || Binukid; Talaandig
|-
! (bke)
| || || I/L || Austronesian || || Bengkulu
|-
! bkf
| || || I/L || Niger-Congo || || Beeke
|-
! bkg
| || || I/L || Niger-Congo || || Buraka
|-
! bkh
| || || I/L || Niger-Congo || || Bakoko
|-
! bki
| || || I/L || Austronesian || || Baki
|-
! bkj
| || || I/L || Niger-Congo || || Pande
|-
! bkk
| || || I/L || Indo-European || || Brokskat
|-
! bkl
| || || I/L || Foja Range || || Berik
|-
! bkm
| || || I/L || Niger-Congo || || Kom (Cameroon)
|-
! bkn
| || || I/L || Austronesian || || Bukitan
|-
! bko
| || || I/L || Niger-Congo || || Kwa'
|-
! bkp
| || || I/L || Niger-Congo || || Boko (Democratic Republic of Congo)
|-
! bkq
| || || I/L || Cariban || || Bakairí
|-
! bkr
| || || I/L || Austronesian || || Bakumpai
|-
! bks
| || || I/L || Austronesian || || Northern Sorsoganon
|-
! bkt
| || || I/L || Niger-Congo || || Boloki
|-
! bku
| || || I/L || Austronesian || || Buhid
|-
! bkv
| || || I/L || Niger-Congo || || Bekwarra
|-
! bkw
| || || I/L || Niger-Congo || || Bekwel
|-
! bkx
| || || I/L || Austronesian || || Baikeno
|-
! bky
| || || I/L || Niger-Congo || || Bokyi
|-
! bkz
| || || I/L || Austronesian || || Bungku
|-
! bla
| || bla || I/L || Algic || || Siksika
|-
! blb
| || || I/L || Central Solomon || || Bilua
|-
! blc
| || || I/L || Salishan || || Bella Coola
|-
! bld
| || || I/L || Austronesian || || Bolango
|-
! ble
| || || I/L || Niger-Congo || || Balanta-Kentohe
|-
! blf
| || || I/L || Austronesian || || Buol
|-
! (blg)
| || || I/L || Austronesian || || Balau
|-
! blh
| || || I/L || Niger-Congo || || Kuwaa
|-
! bli
| || || I/L || Niger-Congo || || Bolia
|-
! blj
| || || I/L || Austronesian || || Bolongan
|-
! blk
| || || I/L || Sino-Tibetan || || Pa'O; Pa'o Karen
|-Template:ISO 639-3 style
! bll
| || || I/E || Siouan || || Biloxi
|-
! blm
| || || I/L || Nilo-Saharan || || Beli (South Sudan)
|-
! bln
| || || I/L || Austronesian || || Southern Catanduanes Bikol
|-
! blo
| || || I/L || Niger-Congo || || Anii
|-
! blp
| || || I/L || Austronesian || || Blablanga
|-
! blq
| || || I/L || Austronesian || || Baluan-Pam
|-
! blr
| || || I/L || Austroasiatic || || Blang
|-
! bls
| || || I/L || Austronesian || || Balaesang
|-
! blt
| || || I/L || Kra-Dai || || Tai Dam
|-
! (blu)
| || || I/L || Hmong-Mien || || Hmong Njua
|-
! blv
| || || I/L || Niger-Congo || || Bolo; Kibala
|-
! blw
| || || I/L || Austronesian || || Balangao
|-
! blx
| || || I/L || Austronesian || || Mag-Indi Ayta
|-
! bly
| || || I/L || Niger-Congo || || Notre
|-
! blz
| || || I/L || Austronesian || || Balantak
|-
! bma
| || || I/L || Niger-Congo || || Lame
|-
! bmb
| || || I/L || Niger-Congo || || Bembe
|-
! bmc
| || || I/L || Austronesian || || Biem
|-
! bmd
| || || I/L || Niger–Congo? || || Baga Manduri
|-
! bme
| || || I/L || Niger-Congo || || Limassa
|-
! bmf
| || || I/L || Niger-Congo || || Bom-Kim
|-
! bmg
| || || I/L || Niger-Congo || || Bamwe
|-
! bmh
| || || I/L || Trans-New Guinea || || Kein
|-
! bmi
| || || I/L || Nilo-Saharan || || Bagirmi
|-
! bmj
| || || I/L || Indo-European || || Bote-Majhi
|-
! bmk
| || || I/L || Austronesian || || Ghayavi
|-
! bml
| || || I/L || Niger-Congo || || Bomboli
|-
! bmm
| || || I/L || Austronesian || || Northern Betsimisaraka Malagasy
|-Template:ISO 639-3 style
! bmn
| || || I/E || Austronesian || || Bina (Papua New Guinea)
|-
! bmo
| || || I/L || Niger-Congo || || Bambalang
|-
! bmp
| || || I/L || Trans-New Guinea || || Bulgebi
|-
! bmq
| || || I/L || Niger-Congo || || Bomu
|-
! bmr
| || || I/L || Boran || || Muinane
|-
! bms
| || || I/L || Nilo-Saharan || || Bilma Kanuri
|-
! bmt
| || || I/L || Hmong-Mien || || Biao Mon
|-
! bmu
| || || I/L || Trans-New Guinea || || Somba-Siawari
|-
! bmv
| || || I/L || Niger-Congo || || Bum
|-
! bmw
| || || I/L || Niger-Congo || || Bomwali
|-
! bmx
| || || I/L || Trans-New Guinea || || Baimak
|-
! (bmy)
| || || I/L || spurious language || || Bemba (Democratic Republic of Congo)
|-
! bmz
| || || I/L || Trans-New Guinea || || Baramu
|-
! bna
| || || I/L || Austronesian || || Bonerate
|-
! bnb
| || || I/L || Austronesian || || Bookan
|-Template:ISO 639-3 style
! bnc
| || || M/L || Austronesian || || Bontok
|-
! bnd
| || || I/L || Austronesian || || Banda (Indonesia)
|-
! bne
| || || I/L || Austronesian || || Bintauna
|-
! bnf
| || || I/L || Austronesian || || Masiwang
|-
! bng
| || || I/L || Niger-Congo || || Benga
|-
! (bnh)
| || || I/L || || || Banawá
|-
! bni
| || || I/L || Niger-Congo || || Bangi
|-
! bnj
| || || I/L || Austronesian || || Eastern Tawbuid
|-
! bnk
| || || I/L || Austronesian || || Bierebo
|-
! bnl
| || || I/L || Afro-Asiatic || || Boon
|-
! bnm
| || || I/L || Niger-Congo || || Batanga
|-
! bnn
| || || I/L || Austronesian || || Bunun
|-
! bno
| || || I/L || Austronesian || || Bantoanon
|-
! bnp
| || || I/L || Austronesian || || Bola
|-
! bnq
| || || I/L || Austronesian || || Bantik
|-
! bnr
| || || I/L || Austronesian || || Butmas-Tur
|-
! bns
| || || I/L || Indo-European || || Bundeli
|-
! bnu
| || || I/L || Austronesian || || Bentong
|-
! bnv
| || || I/L || Foja Range || || Beneraf, Bonerif, Edwas
|-
! bnw
| || || I/L || Sepik || || Bisis
|-
! bnx
| || || I/L || Niger-Congo || || Bangubangu
|-
! bny
| || || I/L || Austronesian || || Bintulu
|-
! bnz
| || || I/L || Niger-Congo || || Beezen
|-
! boa
| || || I/L || Boran || || Bora
|-
! bob
| || || I/L || Afro-Asiatic || Boni || Aweer
|-
! (boc)
| || || I/L || Austronesian || || Bakung Kenyah
|-
! bod
| bo || tib || I/L || Sino-Tibetan || བོད་སྐད་ || Tibetan
|-
! boe
| || || I/L || Niger-Congo || || Mundabli
|-
! bof
| || || I/L || Niger-Congo || || Bolon
|-
! bog
| || || I/L || Deaf-community sign language || || Bamako Sign Language
|-
! boh
| || || I/L || Niger–Congo? || Kiboma || Boma
|-Template:ISO 639-3 style
! boi
| || || I/E || Chumashan || || Barbareño
|-
! boj
| || || I/L || Trans-New Guinea || || Anjam
|-
! bok
| || || I/L || Niger-Congo || || Bonjo
|-
! bol
| || || I/L || Afro-Asiatic || || Bole
|-
! bom
| || || I/L || Niger-Congo || || Berom
|-
! bon
| || || I/L || Trans-Fly || || Bine
|-
! boo
| || || I/L || Mande || || Tiemacèwè Bozo
|-
! bop
| || || I/L || Trans-New Guinea || || Bonkiman
|-
! boq
| || || I/L || Trans-New Guinea || || Bogaya
|-
! bor
| || || I/L || Macro-Jê || || Borôro
|-
! bos
| bs || bos || I/L || Indo-European || bosanski || Bosnian
|-
! bot
| || || I/L || Nilo-Saharan || || Bongo
|-
! bou
| || || I/L || Niger-Congo || || Bondei
|-
! bov
| || || I/L || Niger-Congo || || Tuwuli
|-Template:ISO 639-3 style
! bow
| || || I/E || Trans-Fly || || Rema
|-
! box
| || || I/L || Niger-Congo || || Buamu
|-
! boy
| || || I/L || Niger-Congo || || Bodo (Central African Republic)
|-
! boz
| || || I/L || Mande || || Tiéyaxo Bozo
|-
! bpa
| || || I/L || Austronesian || || Daakaka
|-Template:ISO 639-3 style
! (bpb)
| || || I/E || spurious language || || Barbacoas
|-
! bpc
| || || I/L || Niger–Congo? || Mboko || Mbuk
|-
! bpd
| || || I/L || Atlantic–Congo || || Banda-Banda
|-
! bpe
| || || I/L || Skou || || Bauni
|-
! bpg
| || || I/L || Austronesian || || Bonggo
|-
! bph
| || || I/L || Northeast Caucasian || || Botlikh
|-
! bpi
| || || I/L || Trans-New Guinea || || Bagupi
|-
! bpj
| || || I/L || Atlantic–Congo || || Binji
|-
! bpk
| || || I/L || Austronesian || || 'Ôrôê; Orowe
|-
! bpl
| || || I/L || Malay-based Creole || || Broome Pearling Lugger Pidgin
|-
! bpm
| || || I/L || Trans-New Guinea || || Biyom
|-
! bpn
| || || I/L || Hmong–Mien || Ba Pai || Dzao Min
|-
! bpo
| || || I/L || East Geelvink Bay? || || Anasi
|-
! bpp
| || || I/L || Kaure-Kosare || || Kaure
|-
! bpq
| || || I/L || Malay-based Creole || || Banda Malay
|-
! bpr
| || || I/L || Austronesian || || Koronadal Blaan
|-
! bps
| || || I/L || Austronesian || || Sarangani Blaan
|-Template:ISO 639-3 style
! bpt
| || || I/E || Pama-Nyungan || || Barrow Point
|-
! bpu
| || || I/L || Madang || || Bongu
|-
! bpv
| || || I/L || Anim || || Bian Marind
|-
! bpw
| || || I/L || Left May? || || Bo (Papua New Guinea)
|-
! bpx
| || || I/L || Indo-European || || Palya Bareli
|-
! bpy
| || || I/L || Indo-European || বিষ্ণুপ্রিয়া মণিপুরী || Bishnupriya
|-
! bpz
| || || I/L || Austronesian || || Bilba
|-
! bqa
| || || I/L || Atlantic–Congo || || Tchumbuli
|-
! bqb
| || || I/L || Foja Range || || Bagusa
|-
! bqc
| || || I/L || Niger-Congo || || Boko (Benin); Boo
|-
! bqd
| || || I/L || Niger–Congo? || || Bung
|-
! (bqe)
| || || I/L || Basque (isolate) || || Navarro-Labourdin Basque
|-Template:ISO 639-3 style
! bqf
| || || I/E || Niger–Congo? || || Baga Kaloum
|-
! bqg
| || || I/L || Atlantic–Congo || || Bago-Kusuntu
|-
! bqh
| || || I/L || Sino-Tibetan || || Baima
|-
! bqi
| || || I/L || Indo-European || || Bakhtiari
|-
! bqj
| || || I/L || Atlantic–Congo || || Bandial
|-
! bqk
| || || I/L || Atlantic–Congo || || Banda-Mbrès
|-
! bql
| || || I/L || Trans–New Guinea? || Bilakura || Karian; Bilakura
|-
! bqm
| || || I/L || Atlantic–Congo || || Wumboko
|-
! bqn
| || || I/L || Sign language (Francosign) || || Bulgarian Sign Language
|-
! bqo
| || || I/L || Atlantic–Congo || || Balo
|-
! bqp
| || || I/L || Mande || || Busa
|-
! bqq
| || || I/L || Lakes Plain || || Biritai
|-
! bqr
| || || I/L || Austronesian || || Burusu
|-
! bqs
| || || I/L || Ramu || || Bosngun
|-
! bqt
| || || I/L || Atlantic–Congo || || Bamukumbit
|-
! bqu
| || || I/L || Atlantic–Congo || || Boguru
|-
! bqv
| || || I/L || Atlantic–Congo || || Begbere-Ejar; Koro Wachi
|-
! bqw
| || || I/L || Atlantic–Congo || || Buru (Nigeria)
|-
! bqx
| || || I/L || Benue-Congo || || Baangi
|-
! bqy
| || || I/L || village sign language || || Bengkala Sign Language
|-
! bqz
| || || I/L || Atlantic–Congo || || Bakaka
|-
! bra
| || bra || I/L || Indo-European || || Braj
|-
! brb
| || || I/L || Austroasiatic || || Brao; Lave
|-Template:ISO 639-3 style
! brc
| || || I/E || Dutch Creole || || Berbice Creole Dutch
|-
! brd
| || || I/L || Sino-Tibetan || Baraamu || Baraamu
|-
! bre
| br || bre || I/L || Indo-European || brezhoneg || Breton
|-
! brf
| || || I/L || Atlantic–Congo || || Bira
|-
! brg
| || || I/L || Arawakan || || Baure
|-
! brh
| || || I/L || Dravidian || || Brahui
|-
! bri
| || || I/L || Atlantic–Congo || || Mokpwe
|-
! brj
| || || I/L || Austronesian || || Bieria
|-Template:ISO 639-3 style
! brk
| || || I/E || Eastern Sudanic || || Birked
|-
! brl
| || || I/L || Atlantic–Congo || || Birwa
|-
! brm
| || || I/L || Zande || || Barambu
|-
! brn
| || || I/L || Chibchan || || Boruca
|-
! bro
| || || I/L || Sino-Tibetan || || Brokkat
|-
! brp
| || || I/L || East Geelvink Bay || || Barapasi
|-
! brq
| || || I/L || Ramu || || Breri
|-
! brr
| || || I/L || Austronesian || || Birao
|-
! brs
| || || I/L || Austronesian || || Baras
|-
! brt
| || || I/L || Atlantic–Congo || || Bitare
|-
! bru
| || || I/L || Austroasiatic || || Eastern Bru
|-
! brv
| || || I/L || Austroasiatic || || Western Bru
|-
! brw
| || || I/L || Dravidian || || Bellari
|-
! brx
| || || I/L || Sino-Tibetan || || Bodo (India)
|-
! bry
| || || I/L || Sepik || || Burui
|-
! brz
| || || I/L || Austronesian || || Bilbil
|-
! bsa
| || || I/L || Language isolate || || Abinomn
|-
! bsb
| || || I/L || Austronesian || || Brunei Bisaya
|-
! bsc
| || || I/L || Atlantic–Congo || || Bassari; Oniyan
|-
! (bsd)
| || || I/L || Austronesian || || Sarawak Bisaya
|-
! bse
| || || I/L || Atlantic–Congo || || Wushi
|-
! bsf
| || || I/L || Atlantic–Congo || || Bauchi
|-
! bsg
| || || I/L || Indo-European || || Bashkardi
|-
! bsh
| || || I/L || Indo-European || || Kati
|-
! bsi
| || || I/L || Atlantic–Congo || || Bassossi
|-
! bsj
| || || I/L || Atlantic–Congo || || Bangwinji
|-
! bsk
| || || I/L || Language isolate || || Burushaski
|-Template:ISO 639-3 style
! bsl
| || || I/E || Atlantic–Congo || || Basa-Gumna
|-
! bsm
| || || I/L || Austronesian || || Busami
|-
! bsn
| || || I/L || Tucanoan || Jãnerã - Eduria Oca || Barasana-Eduria
|-
! bso
| || || I/L || Afro-Asiatic || || Buso
|-
! bsp
| || || I/L || Niger–Congo? || || Baga Sitemu
|-
! bsq
| || || I/L || Atlantic–Congo || || Bassa
|-
! bsr
| || || I/L || Atlantic–Congo || || Bassa-Kontagora
|-
! bss
| || || I/L || Atlantic–Congo || || Akoose
|-
! bst
| || || I/L || Afro-Asiatic || || Basketo
|-
! bsu
| || || I/L || Austronesian || || Bahonsuai
|-Template:ISO 639-3 style
! bsv
| || || I/E || Niger–Congo? || || Baga Sobané
|-
! bsw
| || || I/L || Afro-Asiatic || || Baiso
|-
! bsx
| || || I/L || Atlantic–Congo || || Yangkam
|-
! bsy
| || || I/L || Austronesian || || Sabah Bisaya
|-
! (bsz)
| || || I/L || Basque (isolate) || || Souletin Basque
|-
! bta
| || || I/L || Afro-Asiatic || || Bata
|-
! (btb)
| || || I/L || spurious language || || Beti (Cameroon)
|-
! btc
| || || I/L || Atlantic–Congo || || Bati (Cameroon)
|-
! btd
| || || I/L || Austronesian || || Batak Dairi
|-Template:ISO 639-3 style
! bte
| || || I/E || Atlantic–Congo || || Gamo-Ningi
|-
! btf
| || || I/L || Afro-Asiatic || || Birgit
|-
! btg
| || || I/L || Atlantic–Congo || || Gagnoa Bété
|-
! bth
| || || I/L || Austronesian || || Biatah Bidayuh
|-
! bti
| || || I/L || East Geelvink Bay || || Burate
|-
! btj
| || || I/L || Austronesian || || Bacanese Malay
|-
! (btl)
| || || I/L || spurious language || || Bhatola
|-
! btm
| || || I/L || Austronesian || || Batak Mandailing
|-
! btn
| || || I/L || Austronesian || || Ratagnon
|-
! bto
| || || I/L || Austronesian || || Rinconada Bikol
|-
! btp
| || || I/L || Austronesian || || Budibud
|-
! btq
| || || I/L || Austroasiatic || || Batek
|-
! btr
| || || I/L || Austronesian || || Baetora
|-
! bts
| || || I/L || Austronesian || || Batak Simalungun
|-
! btt
| || || I/L || Atlantic–Congo || || Bete-Bendi
|-
! btu
| || || I/L || Atlantic–Congo || || Batu
|-
! btv
| || || I/L || Indo-European || || Bateri
|-
! btw
| || || I/L || Austronesian || || Butuanon
|-
! btx
| || || I/L || Austronesian || || Batak Karo
|-
! bty
| || || I/L || Austronesian || || Bobot
|-
! btz
| || || I/L || Austronesian || || Batak Alas-Kluet
|-Template:ISO 639-3 style
! bua
| || bua || M/L || Mongolic || буряад || Buriat
|-
! bub
| || || I/L || Atlantic–Congo || || Bua
|-
! buc
| || || I/L || Austronesian || || Bushi
|-
! bud
| || || I/L || Atlantic–Congo || || Ntcham
|-Template:ISO 639-3 style
! bue
| || || I/E || unclassified / Algonquian? || || Beothuk
|-
! buf
| || || I/L || Atlantic–Congo || || Bushoong
|-
! bug
| || bug || I/L || Austronesian || ᨅᨔ ᨕᨘᨁᨗ || Buginese
|-
! buh
| || || I/L || Hmong–Mien || || Younuo Bunu
|-
! bui
| || || I/L || Atlantic–Congo || || Bongili
|-
! buj
| || || I/L || Atlantic–Congo || || Basa-Gurmana
|-
! buk
| || || I/L || Austronesian || || Bugawac
|-
! bul
| bg || bul || I/L || Indo-European || български || Bulgarian
|-
! bum
| || || I/L || Atlantic–Congo || || Bulu (Cameroon)
|-
! bun
| || || I/L || Atlantic–Congo || || Sherbro
|-
! buo
| || || I/L || South Bougainville || || Terei
|-
! bup
| || || I/L || Austronesian || || Busoa
|-
! buq
| || || I/L || Madang || || Brem
|-
! bus
| || || I/L || Mande || || Bokobaru
|-
! but
| || || I/L || Torricelli || || Bungain
|-
! buu
| || || I/L || Atlantic–Congo || || Budu
|-
! buv
| || || I/L || Yuat || || Bun
|-
! buw
| || || I/L || Atlantic–Congo || || Bubi
|-
! bux
| || || I/L || Afro-Asiatic || || Boghom
|-
! buy
| || || I/L || Atlantic–Congo || || Bullom So
|-
! buz
| || || I/L || Atlantic–Congo || || Bukwen
|-
! bva
| || || I/L || Afro-Asiatic || || Barein
|-
! bvb
| || || I/L || Atlantic–Congo || || Bube
|-
! bvc
| || || I/L || Austronesian || || Baelelea
|-
! bvd
| || || I/L || Austronesian || || Baeggu
|-
! bve
| || || I/L || Austronesian || || Berau Malay
|-
! bvf
| || || I/L || Afro-Asiatic || || Boor
|-
! bvg
| || || I/L || Atlantic–Congo || || Bonkeng
|-
! bvh
| || || I/L || Afro-Asiatic || || Bure
|-
! bvi
| || || I/L || Atlantic–Congo || || Belanda Viri
|-
! bvj
| || || I/L || Atlantic–Congo || || Baan
|-
! bvk
| || || I/L || Austronesian || || Bukat
|-
! bvl
| || || I/L || Sign language (French Sign) || || Bolivian Sign Language
|-
! bvm
| || || I/L || Atlantic–Congo || || Bamunka
|-
! bvn
| || || I/L || Torricelli || || Buna
|-
! bvo
| || || I/L || Atlantic–Congo || || Bolgo
|-
! bvp
| || || I/L || Austroasiatic || || Bumang
|-
! bvq
| || || I/L || Central Sudanic || || Birri
|-
! bvr
| || || I/L || Maningrida || || Burarra
|-
! (bvs)
| || || I/L || || || Belgian Sign Language
|-
! bvt
| || || I/L || Austronesian || || Bati (Indonesia)
|-
! bvu
| || || I/L || Austronesian || || Bukit Malay
|-Template:ISO 639-3 style
! bvv
| || || I/E || Arawakan || || Baniva
|-
! bvw
| || || I/L || Afro-Asiatic || || Boga
|-
! bvx
| || || I/L || Atlantic–Congo || || Dibole
|-
! bvy
| || || I/L || Austronesian || || Baybayanon
|-
! bvz
| || || I/L || East Geelvink Bay || || Bauzi
|-
! bwa
| || || I/L || Austronesian || || Bwatoo
|-
! bwb
| || || I/L || Austronesian || || Namosi-Naitasiri-Serua
|-
! bwc
| || || I/L || Atlantic–Congo || || Bwile
|-
! bwd
| || || I/L || Austronesian || || Bwaidoka
|-
! bwe
| || || I/L || Sino-Tibetan || || Bwe Karen
|-
! bwf
| || || I/L || Austronesian || || Boselewa
|-
! bwg
| || || I/L || Atlantic–Congo || || Barwe
|-
! bwh
| || || I/L || Atlantic–Congo || || Bishuo
|-
! bwi
| || || I/L || Arawakan || || Baniwa
|-
! bwj
| || || I/L || Atlantic–Congo || || Láá Láá Bwamu
|-
! bwk
| || || I/L || Trans–New Guinea || || Bauwaki
|-
! bwl
| || || I/L || Atlantic–Congo || || Bwela
|-
! bwm
| || || I/L || Yuat || || Biwat
|-
! bwn
| || || I/L || Hmong–Mien || || Wunai Bunu
|-
! bwo
| || || I/L || Afro-Asiatic || || Borna (Ethiopia); Boro (Ethiopia)
|-
! bwp
| || || I/L || Trans–New Guinea || || Mandobo Bawah
|-
! bwq
| || || I/L || Mande || || Southern Bobo Madaré
|-
! bwr
| || || I/L || Afro-Asiatic || || Bura-Pabir
|-
! bws
| || || I/L || Atlantic–Congo || || Bomboma
|-
! bwt
| || || I/L || Atlantic–Congo || || Bafaw-Balong
|-
! bwu
| || || I/L || Atlantic–Congo || || Buli (Ghana)
|-
! (bwv)
| || || I/L || spurious language || || Bahau River Kenyah
|-
! bww
| || || I/L || Atlantic–Congo || || Bwa
|-
! bwx
| || || I/L || Hmong–Mien || || Bu-Nao Bunu
|-
! bwy
| || || I/L || Atlantic–Congo || || Cwi Bwamu
|-
! bwz
| || || I/L || Atlantic–Congo || || Bwisi
|-
! bxa
| || || I/L || Austronesian || || Tairaha
|-
! bxb
| || || I/L || Nilotic || || Belanda Bor
|-
! bxc
| || || I/L || Atlantic–Congo || || Molengue
|-
! bxd
| || || I/L || Sino-Tibetan || || Pela
|-
! bxe
| || || I/L || unclassified, probably isolate || Birale || Birale
|-
! bxf
| || || I/L || Austronesian || || Bilur; Minigir
|-
! bxg
| || || I/L || Atlantic–Congo || || Bangala
|-
! bxh
| || || I/L || Austronesian || || Buhutu
|-Template:ISO 639-3 style
! bxi
| || || I/E || Pama–Nyungan || || Pirlatapa
|-
! bxj
| || || I/L || Pama–Nyungan || || Bayungu
|-
! bxk
| || || I/L || Atlantic–Congo || || Bukusu; Lubukusu
|-
! bxl
| || || I/L || Mande || || Jalkunan
|-
! bxm
| || || I/L || Mongolic || || Mongolia Buriat
|-
! bxn
| || || I/L || Pama–Nyungan || || Burduna
|-
! bxo
| || || I/L || Hausa-based pidgin || || Barikanchi
|-
! bxp
| || || I/L || Atlantic–Congo || || Bebil
|-
! bxq
| || || I/L || Afro-Asiatic || || Beele
|-
! bxr
| || || I/L || Mongolic || || Russia Buriat
|-
! bxs
| || || I/L || Atlantic–Congo || || Busam
|-
! (bxt)
| || || I/L || Austroasiatic || || Buxinhua
|-
! bxu
| || || I/L || Mongolic || || China Buriat
|-
! bxv
| || || I/L || Central Sudanic || || Berakou
|-
! bxw
| || || I/L || Mande || || Bankagooma
|-
! (bxx)
| || || I/L || spurious language || || Borna (Democratic Republic of Congo)
|-
! bxz
| || || I/L || Trans–New Guinea || || Binahari
|-
! bya
| || || I/L || Austronesian || || Batak
|-
! byb
| || || I/L || Atlantic–Congo || || Bikya
|-
! byc
| || || I/L || Atlantic–Congo || || Ubaghara
|-
! byd
| || || I/L || Austronesian || || Benyadu'
|-
! bye
| || || I/L || Sepik || || Pouye
|-
! byf
| || || I/L || Atlantic–Congo || || Bete
|-Template:ISO 639-3 style
! byg
| || || I/E || Daju || || Baygo
|-
! byh
| || || I/L || Sino-Tibetan || || Bhujel
|-
! byi
| || || I/L || Niger–Congo? || || Buyu
|-
! byj
| || || I/L || Atlantic–Congo || || Bina (Nigeria)
|-
! byk
| || || I/L || Tai–Kadai || || Biao
|-
! byl
| || || I/L || Bayono–Awbono || || Bayono
|-
! bym
| || || I/L || Pama–Nyungan || || Bidjara
|-
! byn
| || byn || I/L || Afro-Asiatic || || Bilin; Blin
|-
! byo
| || || I/L || Sino-Tibetan || || Biyo
|-
! byp
| || || I/L || Atlantic–Congo || || Bumaji
|-Template:ISO 639-3 style
! byq
| || || I/E || Austronesian || || Basay
|-
! byr
| || || I/L || Trans–New Guinea || || Baruya; Yipma
|-
! bys
| || || I/L || Atlantic–Congo || || Burak
|-Template:ISO 639-3 style
! byt
| || || I/E || Saharan || || Berti
|-
! (byu)
| || || I/L || Tai–Kadai || || Buyang
|-
! byv
| || || I/L || Atlantic–Congo || || Medumba
|-
! byw
| || || I/L || Sino-Tibetan || || Belhariya
|-
! byx
| || || I/L || Baining || || Qaqet
|-
! (byy)
| || || I/L || spurious language || || Buya
|-
! byz
| || || I/L || Ramu || || Banaro
|-
! bza
| || || I/L || Mande || || Bandi
|-
! bzb
| || || I/L || Austronesian || || Andio
|-
! bzc
| || || I/L || Austronesian || || Southern Betsimisaraka Malagasy
|-
! bzd
| || || I/L || Chibchan || || Bribri
|-
! bze
| || || I/L || Mande || || Jenaama Bozo
|-
! bzf
| || || I/L || Sepik || || Boikin
|-
! bzg
| || || I/L || Austronesian || || Babuza
|-
! bzh
| || || I/L || Austronesian || || Mapos Buang
|-
! bzi
| || || I/L || Sino-Tibetan || || Bisu
|-
! bzj
| || || I/L || English-based creole || || Belize Kriol English
|-
! bzk
| || || I/L || English-based creole || || Nicaragua Creole English
|-
! bzl
| || || I/L || Austronesian || || Boano (Sulawesi)
|-
! bzm
| || || I/L || Atlantic–Congo || || Bolondo
|-
! bzn
| || || I/L || Austronesian || || Boano (Maluku)
|-
! bzo
| || || I/L || Atlantic–Congo || || Bozaba
|-
! bzp
| || || I/L || Berau Gulf || || Kemberano
|-
! bzq
| || || I/L || Austronesian || || Buli (Indonesia)
|-Template:ISO 639-3 style
! bzr
| || || I/E || Pama–Nyungan || || Biri
|-
! bzs
| || || I/L || isolate || || Brazilian Sign Language
|-Template:ISO 639-3 style
! bzt
| || || I/C || constructed || || Brithenig
|-
! bzu
| || || I/L || isolate? || || Burmeso
|-
! bzv
| || || I/L || Atlantic–Congo || || Naami
|-
! bzw
| || || I/L || Atlantic–Congo || || Basa (Nigeria)
|-
! bzx
| || || I/L || Mande || || Kɛlɛngaxo Bozo
|-
! bzy
| || || I/L || Atlantic–Congo || || Obanliku
|-
! bzz
| || || I/L || Atlantic–Congo || || Evant
|}
 |  |
