| tbd | | Kaki Ae | T,
E,
Tate | 48 |
| nku | | Kulango, Bouna | N,
A,
V,
N,
G,
Kulango | 48 |
| xrb | | Karaboro, Eastern | N,
A,
V,
N,
G,
S,
Karaboro | 48 |
| xaw | | Kawaiisu | U,
N,
N,
Southern | 48 |
| cku | | Koasati | M,
E,
C,
A,
Alabama-Koasati | 48 |
| | Kuuku Ya'u | | 48 |
| kma | | Konni | N,
A,
V,
N,
G,
C,
N,
O,
Buli-Koma | 48 |
| kqi | | Koitabu | T,
S,
K,
Koiaric | 48 |
| krx | | Karon | N,
A,
A,
N,
B,
J,
J,
Karon-Mlomp | 44 |
| cwt | | Kuwaataay (Diembering Dialect) | N,
A,
A,
N,
B,
J,
J,
Kwatay | 44 |
| cou | | Konyagi | N,
A,
A,
N,
E,
Tenda | 44 |
| kxb | | Krobu | N,
A,
V,
K,
N,
P,
T,
Krobu | 44 |
| kqj | | Koromira | S,
Nasioi | 36 |
| xkz | | Kurtöp | S,
T,
W,
B,
E,
Bumthang | 28 |
| kvn | | Kuna | C,
C,
I,
E,
Kuna | 0 |
