| mte | | Mono | A,
M,
C,
E,
O,
W,
M,
N,
S,
Mono-Uruava | 48 |
| emi | | Mussau-Emira | A,
M,
C,
E,
O,
St. Matthias | 82 |
| mkv | | Mafea | A,
M,
C,
E,
O,
C,
R,
N,
N,
West Santo | 115 |
| mri | | Maori | A,
M,
C,
E,
O,
C,
R,
C,
E,
P,
N,
E,
C,
Tahitic | 48 |
| mnb | | Muna | A,
M,
C,
E,
S,
M,
N,
M,
M,
Western | 88 |
| xmm | | Malay (Manado Dialect) | Austronesian | 48 |
| bpq | | Malay (Banda Dialect) | Austronesian | 48 |
| mkn | | Malay (Kupang Dialect) | Austronesian | 48 |
| | Malay (Alor Dialect) | Austronesian | 48 |
| abs | | Malay (Ambon Dialect) | Austronesian | 48 |
| lrt | | Malay (Larantuka Dialect) | Austronesian | 48 |
| max | | Malay (North-Moluccan Dialect) | Austronesian | 48 |
| pmy | | Malay (Papua Dialect) | Austronesian | 48 |
| unr | | Mundari_ICR_TCC | A,
M,
N,
K,
Mundari | 48 |
| unr | | Mundari-ICR-KQ | A,
M,
N,
K,
M,
Ho-Mundari | 48 |
| zmr | | Maranunggu | A,
Western Daly | 76 |
| xxm | | Minkin | A,
Tangkic | 0 |
| vma | | Martuthunira | A,
P,
W,
N,
S,
Pilbara | 54 |
| zmu | | Muruwari | A,
P,
S,
New South Wales | 76 |
| mpb | | Malak-Malak | A,
Northern Daly | 76 |
| dmd | | Mathi-Mathi | A,
Kulin | 59 |
| mec | | Mara | A,
G,
M,
Mara | 76 |
| mpc | | Mangarayi | A,
G,
Mangarayic | 48 |
| mnc | | Manchu | A,
T,
S,
Southwest | 48 |
| skf | | Mekens-ICR-LB | A,
N,
T,
Tupian | 48 |
| heb | | Modern Hebrew | A,
S,
C,
S,
Canaanite | 48 |
| ary | | Moroccan Arabic | A,
S,
C,
S,
Arabic | 48 |
| mht | | Mandahuaca | | 48 |
| wpc | | Maco | | 48 |
| skf | | Mekens_ICR_TCC | | 48 |
| huu | | Murui Huitoto | | 48 |
| skf | | Mekens-ICR-WB | | 48 |
| mbn | | Macaguán | | 88 |
| bmr | | Muinane | | 48 |
