| jil | jili1241 | Jilim | N,
M,
R,
M,
Upper Minjim | 331 |
| klz | pint1252 | Kabola (Pitumbang Dialect) | T,
A,
N,
W,
W,
Kabola | 118 |
| klz | kabo1247 | Kabola (Aimoli Dialect) | T,
A,
N,
W,
West Alor | 125 |
| klz | kabo1247 | Kabola (Hamap Dialect) | T,
A,
N,
W,
West Alor | 120 |
| kpu | kafo1240 | Kafoa | T,
A,
Nuclear Alor-Pantar | 117 |
| kzm | kais1235 | Kais | South Bird's Head Family | 40 |
| tbd | kaki1249 | Kaki Ae | T,
E,
Tate | 254 |
| kmh | kala1397 | Kalam | N,
M,
K,
K,
Etp-Ti Kalam | 381 |
| bco | kalu1248 | Kaluli (Bosavi Dialect) | B,
B,
Kaluli-Sunia | 35 |
| bco | kalu1248 | Kaluli | B,
B,
Kaluli-Sunia | 200 |
| woi | kama1365 | Kamang | T,
A,
N,
C,
Abuic | 126 |
| woi | kama1365 | Kamang (Letley Dialect) | T,
A,
N,
C,
Abuic | 122 |
| woi | kama1365 | Kamang (Pido 1 Dialect) | T,
A,
N,
C,
Abuic | 127 |
| woi | kama1365 | Kamang (Langkuru Dialect) | T,
A,
N,
C,
Abuic | 121 |
| woi | kama1365 | Kamang (Pido 2 Dialect) | T,
A,
N,
C,
Abuic | 123 |
| woi | kama1365 | Kamang (Kolomane Dialect) | T,
A,
N,
C,
Abuic | 120 |
| 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 |
| kgv | kara1499 | Karas | West Bomberai | 40 |
| kmf | kare1341 | Kare | N,
M,
C,
Mabuso | 375 |
| khs | kasu1251 | Kasua | B,
Bosavi Watershed | 188 |
| 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 | wemo1239 | Kâte (Wemo Dialect) | N,
F,
H,
E,
T,
H,
K,
Kâte | 54 |
| kmg | wamo1241 | Kâte (Wâmora Dialect) | N,
F,
H,
E,
T,
H,
K,
Kâte | 56 |
| kcb | kawa1276 | Kawacha | A,
N,
Wojokesic | 106 |
| kyt | kaya1328 | Kayagar | K,
Kaygir-Tamagario | 128 |
| bmh | kein1239 | Kein | N,
M,
C,
M,
Kokon | 352 |
| bzp | kemb1235 | Kemberano | S,
E,
Kemberanic | 40 |
| xeu | ahea1235 | Keoru-Ahia (Aheave Dialect) | E,
W,
Keoru-Ahia | 104 |
| xeu | keor1235 | Keoru-Ahia | E,
Western Eleman | 103 |
| 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 |
| 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 |
| kyo | kelo1247 | Klon | T,
A,
N,
West Alor-Straits-Pantar | 284 |
| kyo | hale1239 | Klon (Halerman Dialect) | T,
A,
N,
W,
Klon | 120 |
| kyo | prob1239 | Klon (Probur Dialect) | T,
A,
N,
W,
Klon | 119 |
| 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 | kasu1243 | Kokoda (Kasuweri Dialect) | S,
E,
Kokoda | 38 |
| xod | koko1265 | Kokoda (Tarof Dialect) | S,
East South Bird's Head | 38 |
| kpf | komb1273 | Komba (Puleng River Dialect) | N,
F,
H,
W,
C,
K,
Selepet-Komba | 161 |
