| mtc | muni1257 | Munit | N,
M,
C,
M,
Kokon | 379 |
| asx | mura1271 | Muratayak | N,
F,
F,
W,
Nuclear Warup | 52 |
| mtf | muri1260 | Murik (Karau Dialect) | L,
Nor | 107 |
| mtf | muri1260 | Murik | L,
Nor | 144 |
| mtf | muri1260 | Murik (Wagamut Dialect) | L,
Nor | 88 |
| mqw | muru1273 | Murupi | N,
M,
C,
M,
H,
Wamas-Samosa-Murupi-Mosimo | 382 |
| mmi | musa1265 | Musar | N,
M,
C,
G,
N,
K,
T,
Nuclear Tibor | 343 |
| mmq | musa1266 | Musak | N,
M,
K,
S,
S,
E,
Aisian | 343 |
| mlh | niga1243 | Mape (Naga Dialect) | N,
F,
H,
E,
T,
H,
K,
Mape | 54 |
| kti | nort2916 | Muyu, North | N,
A,
A,
O,
O,
L,
Division A Lowland Ok | 102 |
| mso | nucl1452 | Mombum | Mombum-Koneraw | 48 |
| zrs | nucl1594 | Mairasi | Mairasic | 40 |
| mrz | nucl1622 | Marind | A,
M,
Marindic | 40 |
| payn1244 | Manat | N,
M,
K,
S,
S,
A,
Greater West Sogeram | 46 |
| skc | sauk1252 | Ma Manda | N,
F,
F,
E,
Sauk-Nimi | 53 |
| kts | sout2940 | Muyu, South | N,
A,
A,
O,
O,
L,
Division A Lowland Ok | 100 |
| tqu | touo1238 | Mbaniata | Central Solomons | 242 |
| mds | uder1239 | Maria (Uderi Dialect) | M,
Maria (Papua New Guinea) | 179 |
| wax | wata1253 | Marangis | R,
L,
O,
Watam-Kaian | 65 |
| | Magɨ | T,
M,
S,
W,
Emuan | 85 |
