| 51803 | Malecu | na= | | | Constenla Umaña (1998) | |
| 57101 | Mambay | ʔĩĩ˥ | | | Anonby (2008) | |
| 58345 | Mampruli | N | | | Kropp Dakubu (1980) | |
| 44723 | Manchu | mini | | | Gorelova (2002) | |
| 54405 | Mandahuaca | nu- | | | Ramirez (2001) | |
| 42925 | Mandarin | wǒ | | | Hyslop (2014) | |
| 46731 | Mandobo | ne-ne- | | | Wester (2014) | |
| 50719 | Mangarayi | -ŋanɟu | | | Merlan (1989) | |
| 40350 | Manikion | ind- | | | Reesink (2002) | |
| 41915 | Mansim | dun | | | Reesink (2002) | |
| 50671 | Maori | ahau | The form /au/ is also listed (Harlow 1996:6). | | Harlow (1996) | |
| 25115 | Mara | ŋina | | | Heath (1981) | |
| 24435 | Maranunggu | ŋañ, ŋeni | | | Tryon (1970) | |
| 28431 | Martuthunira | nganaju | | | Dench (1995) | |
| 30994 | Mathi-Mathi | yenayu | | | Blake et al. (2011) | |
| 61985 | Mathi-Mathi | yinathu | | | Blake et al. (2011) | |
| 33562 | Mauwake | yena | | | Berghäll (2010) | |
| 33564 | Mauwake | efar | | | Berghäll (2010) | |
| 33561 | Mauwake | y- | | | Berghäll (2010) | |
| 33563 | Mauwake | yo | | | Berghäll (2010) | |
| 39402 | Mauwake | yena | | | Berghäll (2010) | |
| 48667 | Mavea | -ku | | | Guérin (2011) | |
| 57005 | Mayogo | naama | | | Sawka (2001) | |
| 56489 | Mbato | mẽ˧, n˧ | | | Grassias and Bolé-Richard (1983) | |
| 58441 | Mbelimbe | n˧ | | | Neukom (2004) | |
| 24099 | Mblafe | ⁿdwɐne | | | Doehler, Christian () | |
| 44004 | Mbugu (Inner Dialect) | ɣó | | | Mous (2003) | |
| 44052 | Mbugu (Normal Dialect) | -aŋgú | | | Mous (2003) | |
| 60075 | Mekens-ICR-LB | o- | | | Galucio (2001) | |
| 60829 | Mekens-ICR-RH | o- | | | Vilacy (2001) | |
| 60445 | Mekens_ICR_TCC | o- | | | Galucio (2001) | |
| 60219 | Mekens-ICR-WB | ōt | | | Vilacy Galucio, Ana. 2001 () | |
| 41367 | Mende | anhi | | | Hoel et al. (1994) | |
| 35378 | Menya | ŋqä | | | Whitehead (2004) | |
| 42663 | Meriam | kára | | | Piper (1989) | |
| 50863 | Mewati | mũ | The form /muɟ/ also occurs (Gusain 2003:19). | | Gusain (2003) | |
| 40302 | Meyah | dedin | | | Gravelle (2004) | |
| 30646 | Mian | né | | | Fedden (2007) | |
| 39765 | Mian | né | | | Fedden (2007) | |
| 43908 | Modern Hebrew | -i | | | Glinert (1989) | |
| 31065 | Moken | cii | | | Veena (1980) | |
| 31066 | Moken | cǔy | | | Veena (1980) | |
| 46683 | Mombum | nɛ | | | Boelaars (1950) | |
| 48859 | Mongolian (Halh Dialect) | minii | | | Gaunt and Bayarmandakh (2004) | |
| 50059 | Mono | -gu | | | Evans (2015) | |
| 45827 | Morisyen | mo | | | Baker (1972) | |
| 43655 | Moroccan Arabic | -i | | | Harrell (1962) | |
| 35106 | Moskona | dadin | | | Gravelle (2010) | |
| 60925 | Mpakwithi | t̪amɽu | | | Dixon (1981) | |
| 61828 | Mpur | (i)n- | | | Odé (2002) | |
