|- ! baa | || || I/L || Austronesian || || Babatana |- ! bab | || || I/L || Niger-Congo || || Bainouk-Gunyuño |- ! bac | || || I/L || Austronesian || || Badui |- ! 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 |- ! 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 || Trans-New Guinea || || Beami |- ! bep | || || I/L || Austronesian || || Besoa |- ! beq | || || I/L || Niger-Congo || || 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 |- ! 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