| bon | bine1240 | Bine | Eastern Trans-Fly | 2 |
| bop | bonk1244 | Bonkiman | N,
F,
F,
Y,
Kewieng-Bonkiman-Nokopo | 3 |
| bsm | busa1254 | Busami | A,
M,
E,
S,
C,
Y,
C,
C,
Serui-Busami | 10 |
| bpg | bong1287 | Bonggo | A,
M,
E,
O,
W,
N,
S,
Sarmi | 15 |
| bjr | binu1245 | Binumarien | N,
K,
K,
Tairora | 21 |
| buq | brem1238 | Barem | N,
M,
C,
G,
N,
Manep-Barem | 21 |
| bjc | bari1290 | Bariji | Y,
Yareba-Bariji-Nawaru | 27 |
| ape | buki1249 | Bukiyip | N,
K,
A,
M,
Bukiyip-Abu | 36 |
| bnv | bone1255 | Beneraf | T,
T,
Coastal Tor | 37 |
| brp | bara1375 | Barapasi | G,
Barapasi-Sauri-Kofei | 38 |
| bzu | burm1264 | Burmeso | E,
Burmeso | 39 |
| bdw | baha1258 | Baham | W,
Nuclear West Bomberai | 40 |
| asi | buru1308 | Buruwai | N,
A,
A,
Sabakor | 40 |
| bzf | boik1241 | Boikin | Ndu | 43 |
| bey | beli1258 | Beli | Nuclear Torricelli | 44 |
| bqs | bosn1248 | Bosmun | R,
L,
O,
Bosngun-Awar | 62 |
| bic | pika1238 | Bikaru | N,
E,
E,
O,
Bisorio | 65 |
| bhw | biak1248 | Biak | A,
M,
E,
S,
C,
B,
Biak-Roon | 65 |
| bir | biso1243 | Bisorio | N,
E,
E,
Outer Enga | 67 |
| bhl | bimi1240 | Bimin | N,
A,
A,
O,
O,
M,
Division A Mountain Ok | 79 |
| bjz | baru1269 | Baruga | N,
G,
B,
N,
S,
C,
Baruga-Doghoro | 81 |
| bir | biso1243 | Bisorio (Iniai Dialect) | N,
E,
E,
Outer Enga | 94 |
| bcf | bamu1257 | Bamu (Pirupiru Dialect) | Kiwaian | 94 |
| bhl | bimi1240 | Bimin (Akalu Dialect) | N,
A,
A,
O,
O,
M,
Division A Mountain Ok | 100 |
| beo | beam1240 | Biami | B,
Etoro-Bedamini | 100 |
| bfn | buna1278 | Buna | Timor-Alor-Pantar | 101 |
| bxz | bina1275 | Binahari | M,
Binaharic | 102 |
| byr | baru1267 | Baruya | A,
N,
Baruya-Simbari | 103 |
| bry | buru1309 | Burui | N,
N,
S,
Burui-Gaikundi | 106 |
| bpw | bopa1235 | Bo | L,
W,
Iteri-Bo | 106 |
| bcf | sisi1249 | Bamu (Sisiame Dialect) | K,
Bamu | 108 |
| beu | blag1240 | Blagar (Terewent Dialect) | T,
A,
N,
W,
K,
Blagaric | 117 |
| beu | blag1240 | Blagar (Retta On Ternate Dialect) | T,
A,
N,
W,
K,
Blagaric | 118 |
| byz | bana1292 | Banaro | Ramu | 118 |
| beu | lima1248 | Blagar (Limarahing On Pura Dialect) | T,
A,
N,
W,
K,
B,
B,
Coastal Blagar | 119 |
| bit | beri1253 | Berinomo | S,
S,
C,
Bahinemic | 119 |
| beu | baka1276 | Blagar (Bakalang Dialect) | T,
A,
N,
W,
K,
B,
B,
Coastal Blagar | 120 |
| bhl | bimi1240 | Bimin (Sengen Dialect) | N,
A,
A,
O,
O,
M,
Division A Mountain Ok | 120 |
| bjh | bahi1254 | Bahinemo | S,
S,
C,
Bahinemic | 121 |
| ind | indo1316 | Bahasa Indonesia | A,
M,
M,
M,
N,
Standard Malay-Indonesian | 122 |
| beu | blag1240 | Blagar (Retta On Pura Dialect) | T,
A,
N,
W,
K,
Blagaric | 123 |
| bnw | bisi1244 | Bisis | S,
S,
C,
Nuclear Central Sepik Hill | 123 |
| bhl | bimi1240 | Bimin (Fagobiw Dialect) | N,
A,
A,
O,
O,
M,
Division A Mountain Ok | 123 |
| beu | apur1252 | Blagar (Apuri On Pura Dialect) | T,
A,
N,
W,
K,
B,
B,
Coastal Blagar | 128 |
| bwk | bauw1240 | Bauwaki | M,
Bauwakic | 134 |
| bbb | nucl1630 | Barai (South Dialect) | K,
B,
Barai-Namiae | 144 |
| bon | irup1239 | Bine (Drageli Dialect) | E,
Bine | 147 |
| beo | beam1240 | Beami | B,
Etoro-Bedamini | 150 |
| bbb | nucl1630 | Barai (North Dialect) | K,
B,
Barai-Namiae | 152 |
| bon | sebe1243 | Bine (Sebe Dialect) | E,
Bine | 152 |
