| tcq | kaiy1239 | Kaiy | L,
T,
E,
Doutai-Kai-Waritai | 235 |
| kiy | kiri1256 | Kirikiri | L,
T,
W,
Fayu-Kirikiri | 238 |
| jko | kubo1242 | Kubo | E,
Kubo-Samo-Bibo | 248 |
| tbd | kaki1249 | Kaki Ae | T,
E,
Tate | 254 |
| kue | kuma1280 | Kuman | N,
C,
S,
N,
Kuman-Dom-Gunaa | 258 |
| kvg | kuni1265 | Kuni-Boazi | A,
M,
Boazi | 265 |
| kyo | kelo1247 | Klon | T,
A,
N,
West Alor-Straits-Pantar | 284 |
| khh | kehu1238 | Keuw | East Geelvink Bay | 290 |
| kto | kuot1243 | Kuot | Language isolate | 293 |
| xes | kesa1244 | Kesawai | N,
M,
R,
E,
Kesawai-Sausi | 307 |
| xow | kowa1245 | Kowaki | N,
M,
C,
G,
N,
K,
T,
Nuclear Tibor | 316 |
| bpp | kaur1271 | Kaure | Kaure-Kosare | 327 |
| kgu | kobo1248 | Kobol | N,
M,
C,
Omosan | 347 |
| koz | kora1296 | Korak | N,
M,
C,
G,
Kowan | 347 |
| bmh | kein1239 | Kein | N,
M,
C,
M,
Kokon | 352 |
| kmf | kare1341 | Kare | N,
M,
C,
Mabuso | 375 |
| kmh | kala1397 | Kalam | N,
M,
K,
K,
Etp-Ti Kalam | 381 |
| kpw | kobo1249 | Kobon | N,
M,
K,
Kalam-Kobon | 486 |
