| 51137 | Malayalam | n̪ammaɭ | The form /naam/ is also listed as a free variant (Asher and Kumari 1997:258). | | Asher and Kumari (1997) | |
| 51797 | Malecu | totóki | | | Constenla Umaña (1998) | |
| 57087 | Mambay | nã˩nza˩ | | | Anonby (2008) | |
| 58331 | Mampruli | tɩ | | | Kropp Dakubu (1980) | |
| 44709 | Manchu | muse | | | Gorelova (2002) | |
| 54391 | Mandahuaca | wéjhanawi | | | Ramirez (2001) | |
| 46717 | Mandobo | noŋɡüp | | | Wester (2014) | |
| 50705 | Mangarayi | ŋaɭa | | | Merlan (1989) | |
| 40336 | Manikion | maman | | | Reesink (2002) | |
| 41901 | Mansim | niwap | | | Reesink (2002) | |
| 50657 | Maori | taatou | | | Harlow (1996) | |
| 25129 | Mara | ṇarwuña | | | Heath (1981) | |
| 24449 | Maranunggu | kica | | | Tryon (1970) | |
| 28436 | Martuthunira | ngaliwa | | | Dench (1995) | |
| 39426 | Mauwake | (y)i | | | Berghäll (2010) | |
| 33587 | Mauwake | (y)i | | | Berghäll (2010) | |
| 48653 | Mavea | (n)ida | | | Guérin (2011) | |
| 56991 | Mayogo | nɨ́ | | | Sawka (2001) | |
| 56475 | Mbato | lo˥ | | | Grassias and Bolé-Richard (1983) | |
| 58427 | Mbelimbe | ti˧ | | | Neukom (2004) | |
| 24113 | Mblafe | ni | | | Doehler, Christian () | |
| 43990 | Mbugu (Inner Dialect) | níne, nne | | | Mous (2003) | |
| 44038 | Mbugu (Normal Dialect) | úswi | | | Mous (2003) | |
| 41673 | Mehek | numbra, yelnda | | | Paulon et al. (2002) | |
| 60061 | Mekens-ICR-LB | ki- | | | Galucio (2001) | |
| 60815 | Mekens-ICR-RH | kise | | | Vilacy (2001) | |
| 60431 | Mekens_ICR_TCC | kise | | | Galucio (2001) | |
| 60205 | Mekens-ICR-WB | kise | | | Vilacy Galucio, Ana. 2001 () | |
| 41353 | Mende | nir | | | Hoel et al. (1994) | |
| 35392 | Menya | ne | | | Whitehead (2004) | |
| 42649 | Meriam | mi | | | Piper (1989) | |
| 50849 | Mewati | həm | | | Gusain (2003) | |
| 40288 | Meyah | mimif | | | Gravelle (2004) | |
| 30681 | Mian | níb- | | | Fedden (2007) | |
| 30682 | Mian | nílib- | | | Fedden (2007) | |
| 30680 | Mian | níbó | | | Fedden (2007) | |
| 39800 | Mian | níbó | | | Fedden (2007) | |
| 43894 | Modern Hebrew | anˈaxnu | | | Glinert (1989) | |
| 31093 | Moken | kamoy | | | Veena (1980) | |
| 31094 | Moken | ʔetaʔ | | | Veena (1980) | |
| 46669 | Mombum | num | | | Boelaars (1950) | |
| 48845 | Mongolian (Halh Dialect) | bid | | | Gaunt and Bayarmandakh (2004) | |
| 50045 | Mono | maita | | | Evans (2015) | |
| 45813 | Morisyen | nutu | | | Baker (1972) | |
| 43641 | Moroccan Arabic | ħna | | | Harrell (1962) | |
| 35120 | Moskona | mif | | | Gravelle (2010) | |
| 60911 | Mpakwithi | bun̪u | | | Dixon (1981) | |
| 61814 | Mpur | yek | | | Odé (2002) | |
| 40657 | Mufian | apé' | | | Conrad et al. (1978) | |
| 52557 | Muinane | mɨ́ɨ́ʔai | | | Walton, Hensarling and Maxwell (2000) | |
