| kbq | kama1370 | Kamano | N,
K,
G,
N,
S,
Kamano-Yagaria | 192 |
| klp | kama1360 | Kamasa | A,
N,
W,
Kamasa-Susuami | 99 |
| kyy | kamb1303 | Kambaira | N,
K,
K,
Unclassified Kainantu | 98 |
| irx | kamb1302 | Kamberau | N,
A,
A,
Sabakor | 40 |
| kgq | kamo1255 | Kamoro | N,
A,
Asmat-Kamoro | 94 |
| xla | kamu1260 | Kamula | Kamula-Elevala | 205 |
| igm | kang1291 | Kanggape | R,
G,
A,
Tangu-Igom | 60 |
| kcd | ngka1235 | Kanum | Y,
K,
N,
Ngkantr | 41 |
| khp | kapo1250 | Kapauri | K,
Kapore | 38 |
| dju | kapr1245 | Kapriman | S,
S,
C,
N,
Kapriman-Watakataui | 120 |
| kgv | kara1499 | Karas | West Bomberai | 40 |
| xrw | kara1495 | Karawa | S,
R,
Pouye-Karawa | 46 |
| kmf | kare1341 | Kare | N,
M,
C,
Mabuso | 375 |
| kgw | karo1303 | Karon Dori | Maybrat-Karon | 80 |
| khs | kasu1251 | Kasua | B,
Bosavi Watershed | 188 |
| kmg | wemo1239 | Kâte (Wemo Dialect) | N,
F,
H,
E,
T,
H,
K,
Kâte | 54 |
| kmg | mago1249 | Kâte (Mâgobineng Dialect) | N,
F,
H,
E,
T,
H,
K,
Kâte | 54 |
| kmg | kate1253 | Kâte | N,
F,
H,
E,
T,
H,
Kate-Mape | 140 |
| kmg | wamo1241 | Kâte (Wâmora Dialect) | N,
F,
H,
E,
T,
H,
K,
Kâte | 56 |
| bpp | kaur1271 | Kaure | Kaure-Kosare | 327 |
| xau | kauw1242 | Kauwera | G,
K,
Kwerbaic | 40 |
| kcb | kawa1276 | Kawacha | A,
N,
Wojokesic | 106 |
| kyt | kaya1328 | Kayagar | K,
Kaygir-Tamagario | 128 |
| kct | kaia1245 | Kayan | R,
L,
O,
Watam-Kaian | 64 |
| bmh | kein1239 | Kein | N,
M,
C,
M,
Kokon | 352 |
| bzp | kemb1235 | Kemberano | S,
E,
Kemberanic | 40 |
| kmt | kemt1242 | Kemtuik | N,
O,
M,
Gresi-Kemtuik | 40 |
| xeu | keor1235 | Keoru-Ahia | E,
Western Eleman | 103 |
| xeu | ahea1235 | Keoru-Ahia (Aheave Dialect) | E,
W,
Keoru-Ahia | 104 |
| kxz | kere1286 | Kerewo | K,
Turama-Kerewo | 101 |
| xes | kesa1244 | Kesawai | N,
M,
R,
E,
Kesawai-Sausi | 307 |
| xte | kete1254 | Ketengban | N,
M,
Eastern Mek | 102 |
| khh | kehu1238 | Keuw | East Geelvink Bay | 290 |
| prm | kibi1239 | Kibiri | T,
Kiwaian | 101 |
| kig | kima1246 | Kimaghima | K,
Kimaama-Riantana | 45 |
| kco | kina1251 | Kinalakna | N,
F,
H,
W,
C,
D,
Kinalakna-Kumukio | 57 |
| geb | kire1240 | Kire | R,
L,
Ruboni | 64 |
| kiy | faia1238 | Kirikiri (Faia Dialect) | L,
T,
W,
F,
Kirikiri | 124 |
| kiy | kiri1256 | Kirikiri | L,
T,
W,
Fayu-Kirikiri | 238 |
| kyo | prob1239 | Klon (Probur Dialect) | T,
A,
N,
W,
Klon | 119 |
| kyo | hale1239 | Klon (Halerman Dialect) | T,
A,
N,
W,
Klon | 120 |
| kyo | kelo1247 | Klon | T,
A,
N,
West Alor-Straits-Pantar | 284 |
| kgu | kobo1248 | Kobol | N,
M,
C,
Omosan | 347 |
| kpw | kobo1249 | Kobon | N,
M,
K,
Kalam-Kobon | 486 |
| kqi | koit1244 | Koitabu | K,
K,
Koita-Koiari | 176 |
| xod | koko1265 | Kokoda (Tarof Dialect) | S,
East South Bird's Head | 38 |
| xod | kasu1243 | Kokoda (Kasuweri Dialect) | S,
E,
Kokoda | 38 |
| kol | kolp1236 | Kol | Isolate | 219 |
| kpf | komb1273 | Komba (Gwama River (North) Dialect) | N,
F,
H,
W,
C,
K,
Selepet-Komba | 160 |
| kpf | komb1273 | Komba (Gwama River (South) Dialect) | N,
F,
H,
W,
C,
K,
Selepet-Komba | 159 |
