| kpr | kora1294 | Yegha (Korafe Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 520 |
| kpr | kora1294 | Yegha (Yega Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 130 |
| kps | tehi1237 | Tehit | W,
West Bird's Head | 39 |
| kpu | kafo1240 | Kafoa | T,
A,
Nuclear Alor-Pantar | 117 |
| kpw | kobo1249 | Kobon | N,
M,
K,
Kalam-Kobon | 486 |
| kpx | moun1252 | Mountain Koiari | K,
K,
Biage-Mountain Koiali | 185 |
| kqa | mumm1238 | Mum | N,
M,
K,
S,
S,
North Sogeram | 419 |
| kqb | kova1243 | Kovai | N,
F,
H,
E,
Trans Vitiaz | 40 |
| kqc | doro1266 | Doromu-Koki (Aramaika Dialect) | Manubaran | 260 |
| kqc | doro1266 | Doromu-Koki (Lofaika Dialect) | Manubaran | 252 |
| kqc | doro1266 | Doromu-Koki (Bareika Dialect) | Manubaran | 265 |
| kqi | koit1244 | Koitabu | K,
K,
Koita-Koiari | 176 |
| kql | kyen1243 | Kyenele (Kyaimbarang Dialect) | Y,
Miyak-Bun-Biwat | 117 |
| kql | kyen1243 | Kyenele (Miyak Dialect) | Y,
Miyak-Bun-Biwat | 98 |
| ksj | uare1241 | Uare | T,
S,
Kwalean | 421 |
| ksr | boro1279 | Borong | N,
F,
H,
W,
R,
P,
Kosorong-Burum-Mindik | 190 |
| kti | nort2916 | Muyu, North | N,
A,
A,
O,
O,
L,
Division A Lowland Ok | 102 |
| kto | kuot1243 | Kuot | Language isolate | 293 |
| kts | sout2940 | Muyu, South | N,
A,
A,
O,
O,
L,
Division A Lowland Ok | 100 |
| kue | kuma1280 | Kuman | N,
C,
S,
N,
Kuman-Dom-Gunaa | 258 |
| kuo | kumu1247 | Kumukio | N,
F,
H,
W,
C,
D,
Kinalakna-Kumukio | 52 |
| kvd | kira1248 | Kui (Kiramang Dialect) | T,
A,
N,
C,
Kui (Indonesia) | 132 |
| kvd | kuii1253 | Kui | T,
A,
N,
Central Alor | 118 |
| kvg | kuni1265 | Kuni-Boazi | A,
M,
Boazi | 265 |
| kvg | kuni1265 | Kuni-Boazi (Boazi Dialect) | A,
M,
Boazi | 49 |
| kvg | kuni1265 | Kuni-Boazi (Kuini Dialect) | A,
M,
Boazi | 4 |
| kvw | wers1238 | Wersing | T,
W,
Timor-Alor-Pantar | 125 |
| kvz | tsak1250 | Tsaukambo | T,
O,
O,
Ngalum | 209 |
| kwe | nucl1595 | Kwerba (Airmati Dialect) | G,
K,
Kwerbaic | 38 |
| kwe | nucl1595 | Kwerba | G,
K,
Kwerbaic | 41 |
| kwh | kowi1239 | Kowiai | A,
M,
G,
B,
S,
Geser-Gorom-Bati | 8 |
| kwt | kwes1245 | Kwesten | T,
Tor | 43 |
| kxw | kona1242 | Konai | East Strickland | 100 |
| kxz | kere1286 | Kerewo | K,
Turama-Kerewo | 101 |
| kyc | kyak1244 | Kyaka | N,
E,
Engan | 116 |
| kyo | hale1239 | Klon (Halerman Dialect) | T,
A,
N,
W,
Klon | 120 |
| kyo | prob1239 | Klon (Probur Dialect) | T,
A,
N,
W,
Klon | 119 |
| kyo | kelo1247 | Klon | T,
A,
N,
West Alor-Straits-Pantar | 284 |
| kyt | kaya1328 | Kayagar | K,
Kaygir-Tamagario | 128 |
| kyy | kamb1303 | Kambaira | N,
K,
K,
Unclassified Kainantu | 98 |
| kzm | kais1235 | Kais | South Bird's Head Family | 40 |
| kzv | komy1238 | Komyandaret | N,
A,
A,
G,
B,
Tsakwambo-Komyandaret | 211 |
| kzz | kala1256 | Kalabra | W,
South West Bird's Head | 38 |
| lei | lemi1243 | Lemio | N,
M,
R,
Kabenau | 275 |
| leq | lemb1266 | Lembena | N,
E,
Engan | 114 |
| leq | lemb1266 | Lembena (Maibi Dialect) | N,
E,
Engan | 115 |
| leq | lemb1266 | Lembena (Yariba Dialect) | N,
E,
Engan | 131 |
| lev | kalo1261 | Western Pantar (Kalondama Dialect) | T,
W,
T,
A,
Pantar | 119 |
| lev | tuba1277 | Western Pantar (Mauta Tubal Dialect) | T,
W,
T,
A,
Pantar | 118 |
| lev | bian1250 | Western Pantar (Biangwala Dialect) | T,
W,
T,
A,
Pantar | 126 |
