| mpt | | Mian | T,
O,
O,
Mountain | 395 |
| mhl | | Mauwake | T,
M,
C,
P,
Kumilan | 213 |
| mkz | | Makalero | T,
Timor | 121 |
| mwt | | Moken | A,
M,
Moklen | 120 |
| mkv | | Mafea | A,
M,
C,
E,
O,
C,
R,
N,
N,
West Santo | 115 |
| plt | | Malagasy, plateau | A,
M,
G,
E,
Malagasy | 110 |
| mbn | | Macaguán | | 88 |
| mnb | | Muna | A,
M,
C,
E,
S,
M,
N,
M,
M,
Western | 88 |
| emi | | Mussau-Emira | A,
M,
C,
E,
O,
St. Matthias | 82 |
| mad | | Madurese | A,
M,
Madurese | 77 |
| mpb | | Malak-Malak | A,
Northern Daly | 76 |
| | Mblafe | Y,
Tonda Branch | 76 |
| mak | | Makassarese | A,
M,
S,
Makassar | 76 |
| zmr | | Maranunggu | A,
Western Daly | 76 |
| mcr | | Menya | T,
A,
Nuclear Angan | 76 |
| zmu | | Muruwari | A,
P,
S,
New South Wales | 76 |
| mec | | Mara | A,
G,
M,
Mara | 76 |
| mtj | | Moskona | E,
E,
Meax | 76 |
| mkd | | Macedonian | I,
S,
S,
Eastern | 76 |
| mgf | | Maklew | Yelmek-Maklew | 64 |
| dmd | | Mathi-Mathi | A,
Kulin | 59 |
| vma | | Martuthunira | A,
P,
W,
N,
S,
Pilbara | 54 |
| heb | | Modern Hebrew | A,
S,
C,
S,
Canaanite | 48 |
| mij | | Mungbam (Ngun Dialect) | N,
A,
V,
B,
B,
S,
Yemne-Kimbi | 48 |
| mkv | | Mavea | S,
North Vanuatu sub-group. | 48 |
| mso | | Mombum | T,
Mombum | 48 |
| had | | Mansim | Mansim-Hatam | 48 |
| mri | | Maori | A,
M,
C,
E,
O,
C,
R,
C,
E,
P,
N,
E,
C,
Tahitic | 48 |
| mij | | Mungbam (Munken Dialect) | N,
A,
V,
B,
B,
S,
Yemne-Kimbi | 48 |
| mfe | | Morisyen | C,
French based | 48 |
| akc | | Mpur | N,
Isolate | 48 |
| gwa | | Mbato | N,
A,
V,
K,
N,
P,
Potou | 48 |
| wpc | | Maco | | 48 |
| mej | | Meyah | E,
E,
Meax | 48 |
| mcs | | Mambay | N,
A,
V,
N,
A,
A,
M,
M,
N,
Tupuri-Mambai | 48 |
| abs | | Malay (Ambon Dialect) | Austronesian | 48 |
| unr | | Mundari_ICR_TCC | A,
M,
N,
K,
Mundari | 48 |
| xmm | | Malay (Manado Dialect) | Austronesian | 48 |
| unr | | Mundari-ICR-LB | H,
M,
K,
N,
M,
Austroasiatic | 48 |
| aoj | | Mufian | T,
K,
Arapesh | 48 |
| ary | | Moroccan Arabic | A,
S,
C,
S,
Arabic | 48 |
| max | | Malay (North-Moluccan Dialect) | Austronesian | 48 |
| zlm | | Malay | A,
M,
M,
M,
Malay | 48 |
| khk | | Mongolian (Halh Dialect) | M,
E,
O,
K,
Mongolian Proper | 48 |
| sim | | Mende | S,
Nukuma | 48 |
| skf | | Mekens_ICR_TCC | | 48 |
| mij | | Mungbam (Biya Dialect) | N,
A,
V,
B,
B,
S,
Yemne-Kimbi | 48 |
| SKF | | Mekens-ICR-RH | t,
t,
n,
akuntsu-mekens | 48 |
| huu | | Murui Huitoto | | 48 |
| mal | | Malayalam | D,
S,
T,
T,
T,
Malayalam | 48 |
