| cat | | Catalan | I,
I,
R,
I,
W,
G,
I,
East Iberian | 76 |
| csb | | Cassubian | I,
S,
W,
Lechitic | 75 |
| ccj | | Cassanga | N,
A,
A,
N,
E,
Nun | 48 |
| cbd | | Carijona | | 48 |
| yue | | Cantonese | S,
Chinese | 96 |
| kbh | | Camsá | | 44 |
| cbb | | Cabiyarí | | 48 |
| cjp | | Cabecar | C,
C,
I,
W,
Viceitic | 44 |
| bzu | | Burmeso | E,
Burmeso | 36 |
| bvr | | Burarra-ICR-RH | m,
b,
burarra | 48 |
| bvr | | Burarra-ICR-LB | | 48 |
| bvr | | Burarra | M,
not nested within Gunwinyguan. | 48 |
| bnn | | Bunun | A,
Bunun | 99 |
| bck | | Bunuba | A,
Bunuban | 76 |
| xbg | | Bunganditj | A,
P,
S,
Victorian | 71 |
| bfn | | Bunaq | T,
Timor | 72 |
| buy | | Bullom So | N,
A,
A,
S,
M,
B,
B,
Northern | 48 |
| bul | | Bulgarian | I,
S,
S,
Eastern | 76 |
| ape | | Bukiyip | T,
K,
Arapesh | 48 |
| | Bukawa | Austronesian | 48 |
| sab | | Buglere (sabanero Dialect) | C,
C,
I,
E,
Guaymiic | 0 |
| bug | | Bugis | A,
M,
S,
Bugis | 76 |
| box | | Buamu | N,
A,
V,
N,
G,
C,
N,
Bwamu | 48 |
| bzd | | Bribri | C,
C,
I,
W,
Viceitic | 44 |
| brh | | Brahui | D,
Northern | 48 |
| fij | | Boumaa Fijian | A,
M,
C,
E,
O,
C,
R,
C,
E,
East Fijian | 82 |
| brn | | Boruca | C,
C,
I,
Western Isthmic | 48 |
| boa | | Bora | | 48 |
| bis | | Bislama | C,
English-based | 76 |
| gup | | Bininj Gun-wok | A,
Gunwinyguan | 76 |
| bjg | | Bijago | N,
A,
A,
Bijago | 48 |
| nmb | | Big Nambas | A,
M,
C,
E,
O,
C,
R,
N,
M,
Malekula Central | 48 |
| big | | Biangai | T,
S,
G,
Kunimaipa | 48 |
| bhw | | Biak | A,
M,
C,
E,
S,
W,
C,
Biakic | 82 |
| bif | | Biafada | N,
A,
A,
N,
E,
Tenda | 48 |
| btt | | Bete-Bendi | N,
A,
V,
B,
C,
Bendi | 48 |
| brc | | Berbice Dutch Creole | C,
Dutch based | 48 |
| bel | | Belorussian | I,
S,
East | 76 |
| bkv | | Bekwarra | N,
A,
V,
B,
C,
Bendi | 44 |
| bjy | | Bayali | A,
P,
S,
Waka-Kabic | 76 |
| brg | | Baure | A,
S,
B,
Baure-Carmelito-Joaquiniano | 0 |
| eus | | Basque (Standard Dialect) | Language isolate | 48 |
| bba | | Bariba | N,
A,
V,
N,
G,
Bariba | 48 |
| mot | | Bari | C,
C,
M,
Southern Magdalenic | 48 |
| bae | | Baré | | 48 |
| bcj | | Bardi | A,
Nyulnyulan | 0 |
| bap | | Bantawa | S,
T,
W,
H,
K,
Eastern | 48 |
| bcm | | Bannoni | A,
M,
C,
E,
O,
W,
M,
N,
S,
Piva-Banoni | 48 |
| bab | | Banhum | N,
A,
A,
N,
E,
Banyun | 44 |
| bfl | | Banda-Ndélé | N,
A,
V,
N,
A,
U,
B,
C,
C,
Banda-Ndele | 48 |
