| aup | maka1315 | Makayam | A,
T,
Nuclear Tirio | 0 |
| ulk | meri1244 | Meriam | Eastern Trans-Fly | 0 |
| mans1260 | Mansim | Hatam-Mansim | 12 |
| mvr | mara1397 | Marau | A,
M,
E,
S,
C,
Y,
C,
Ansus-Ambai | 18 |
| mkr | mala1495 | Manep | N,
M,
C,
G,
N,
Manep-Barem | 20 |
| slz | maya1282 | Ma'ya | A,
M,
E,
S,
R,
M,
Raja Ampat Maya | 22 |
| mqf | momu1241 | Momuna | Somahai | 34 |
| msg | mora1239 | Moraid | W,
South West Bird's Head | 37 |
| mqr | mand1443 | Mander | T,
Tor | 37 |
| mtj | mosk1236 | Moskona | E,
Meax | 38 |
| mgk | mawe1251 | Mawes | T,
G,
Mawes | 39 |
| mth | mung1269 | Munggui | A,
M,
E,
S,
C,
Y,
C,
Central Yapen | 39 |
| mej | meya1236 | Meyah | E,
Meax | 39 |
| mej | meya1236 | Meyah (Etskebi Dialect) | E,
Meax | 39 |
| mrz | nucl1622 | Marind | A,
M,
Marindic | 40 |
| mej | meya1236 | Meyah (Akrin Dialect) | E,
Meax | 40 |
| mej | meya1236 | Meyah (Miun Dialect) | E,
Meax | 40 |
| kja | mlap1238 | Mlap | N,
O,
Mlap-Gresi-Kemtuik | 40 |
| akc | mpur1239 | Mpur (Arfu Dialect) | Language isolate | 40 |
| mtj | mosk1236 | Moskona (Merdey Dialect) | E,
Meax | 40 |
| zrs | nucl1594 | Mairasi | Mairasic | 40 |
| moq | morb1239 | Mor | T,
Mor | 40 |
| mok | moro1289 | Morori | T,
Moraori | 40 |
| mej | meya1236 | Meyah (Anason Dialect) | E,
Meax | 40 |
| mgf | makl1246 | Maklew | Bulaka River | 41 |
| ayz | maib1239 | Mai Brat | Maybrat | 41 |
| mej | meya1236 | Meyah (Mumbrani Dialect) | E,
Meax | 41 |
| msf | mekw1241 | Mekwei | N,
Outer Nimboranic | 41 |
| mnx | mani1235 | Manikion | East Bird's Head | 42 |
| bpv | bian1251 | Marind, Bian | A,
M,
Marindic | 42 |
| wii | mini1253 | Minidien | N,
W,
C,
Wapeic | 42 |
| mle | mana1298 | Manambu | N,
N,
Manambu-Yalaku | 43 |
| mnz | moni1261 | Moni | N,
Paniai Lakes | 43 |
| nux | mehe1243 | Mehek | S,
S,
Mehek-Pahi | 45 |
| payn1244 | Manat | N,
M,
K,
S,
S,
A,
Greater West Sogeram | 46 |
| sim | mend1268 | Mende | S,
N,
Kwanga-Mende | 46 |
| mlh | mape1249 | Mape (East Dialect) | N,
F,
H,
E,
T,
H,
Kate-Mape | 48 |
| mso | nucl1452 | Mombum | Mombum-Koneraw | 48 |
| akc | mpur1239 | Mpur (Kebar Dialect) | Language isolate | 52 |
| mhz | morm1235 | Mor (Austronesian) | A,
M,
E,
South Halmahera-West New Guinea | 52 |
| asx | mura1271 | Muratayak | N,
F,
F,
W,
Nuclear Warup | 52 |
| mrz | gawi1240 | Marind (Gawir Dialect) | A,
M,
M,
M,
Coastal Marind | 52 |
| mlh | mape1249 | Mape (West Dialect) | N,
F,
H,
E,
T,
H,
Kate-Mape | 53 |
| skc | sauk1252 | Ma Manda | N,
F,
F,
E,
Sauk-Nimi | 53 |
| mlh | niga1243 | Mape (Naga Dialect) | N,
F,
H,
E,
T,
H,
K,
Mape | 54 |
| mhf | mama1277 | Mamaa | N,
F,
F,
E,
Finungwan-Mamaa-Gusan | 55 |
| msz | moma1243 | Momare | N,
F,
H,
E,
T,
H,
Sopac | 55 |
| mze | mora1273 | Morawa | Mailuan | 56 |
| grg | madi1261 | Madi | N,
F,
F,
G,
Gira-Neko-Nekgini | 57 |
| gai | bore1247 | Mbore | R,
L,
Ottilien | 61 |
