| kwe | nucl1595 | Kwerba (Airmati Dialect) | T,
G,
K,
Nuclear | 38 |
| kvz | tsak1250 | Tsaukambo | T,
O,
O,
Ngalum | 209 |
| kvw | wers1238 | Wersing | T,
W,
Timor-Alor-Pantar | 125 |
| kvg | kuni1265 | Kuni-Boazi (Boazi Dialect) | T,
M,
Boazi | 49 |
| kvg | kuni1265 | Kuni-Boazi | T,
M,
Boazi | 265 |
| kvg | kuni1265 | Kuni-Boazi (Kuini Dialect) | T,
M,
Boazi | 4 |
| kvd | kira1248 | Kui (Kiramang Dialect) | T,
W,
T,
A,
Alor | 132 |
| kvd | kuii1253 | Kui | T,
W,
T,
A,
Alor | 118 |
| kuo | kumu1247 | Kumukio | T,
F,
H,
Western | 52 |
| kue | kuma1280 | Kuman | T,
C,
Chimbu | 258 |
| kts | sout2940 | Muyu, South | T,
O,
O,
Lowland | 100 |
| kto | kuot1243 | Kuot | Language isolate | 293 |
| kti | nort2916 | Muyu, North | T,
O,
O,
Lowland | 102 |
| ksr | boro1279 | Borong | T,
F,
H,
Eastern | 190 |
| ksj | uare1241 | Uare | T,
S,
Kwalean | 421 |
| kql | kyen1243 | Kyenele (Kyaimbarang Dialect) | Yuat | 117 |
| kql | kyen1243 | Kyenele (Miyak Dialect) | Yuat | 98 |
| kqi | koit1244 | Koitabu | T,
S,
K,
Koiaric | 176 |
| kqc | doro1266 | Doromu-Koki (Lofaika Dialect) | T,
S,
Manubaran | 252 |
| kqc | doro1266 | Doromu-Koki (Bareika Dialect) | T,
S,
Manubaran | 265 |
| kqc | doro1266 | Doromu-Koki (Aramaika Dialect) | T,
S,
Manubaran | 260 |
| kqb | kova1243 | Kovai | T,
F,
H,
Kovai | 40 |
| kqa | mumm1238 | Mum | T,
M,
S,
+,
C,
Northern | 419 |
| kpx | moun1252 | Mountain Koiari | T,
S,
K,
Koiaric | 185 |
| kpw | kobo1249 | Kobon | T,
M,
Kalam-Kobon | 486 |
| kpu | kafo1240 | Kafoa | T,
W,
T,
A,
Alor | 117 |
| kps | tehi1237 | Tehit | W,
West Bird's Head | 39 |
| kpr | kora1294 | Yegha (Oukena Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 83 |
| kpr | kora1294 | Korafe (Mokorua Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 83 |
| kpr | kora1294 | Korafe (Rabade Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 91 |
| kpr | kora1294 | Yegha (Korafe Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 520 |
| kpr | kora1294 | Korafe | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 52 |
| kpr | kora1294 | Yegha (Yega Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 130 |
| kpr | kora1294 | Yegha (Ambe-Dofo Dialect) | T,
G,
B,
N,
S,
C,
Gaena-Korafe | 50 |
| kpq | koru1245 | Korapun-Sela | T,
M,
Eastern | 40 |
| kpf | komb1273 | Komba (Ândâ River Dialect) | T,
F,
H,
Western | 161 |
| kpf | komb1273 | Komba (Gwama River (North) Dialect) | T,
F,
H,
Western | 160 |
| kpf | komb1273 | Komba (Gwama River (South) Dialect) | T,
F,
H,
Western | 159 |
| kpf | komb1273 | Komba (Puleng River Dialect) | T,
F,
H,
Western | 161 |
| kpf | komb1273 | Komba | T,
F,
H,
Western | 198 |
| koz | kora1296 | Korak | T,
M,
S,
Kowan | 347 |
| kop | kwat1244 | Waube | T,
M,
R,
Nuru | 347 |
| kol | kolp1236 | Kol | Isolate | 219 |
| knv | tabo1241 | Tabo | S,
Waia | 171 |
| knd | kond1303 | Konda | T,
S,
Konda-Yahadian | 40 |
| kmx | wabo1241 | Waboda | T,
Kiwaian | 167 |
| kmt | kemt1242 | Kemtuik | Nimboran | 40 |
| kmo | kwom1262 | Kwoma | S,
Nukuma | 92 |
| kmn | awtu1239 | Awtuw | S,
Ram | 89 |
| kmh | kala1397 | Kalam | T,
M,
Kalam-Kobon | 381 |
