| 42922 | Mandarin | wǒmen | | | Hyslop (2014) | |
| 46724 | Mandobo | noŋɡüp | | | Wester (2014) | |
| 50712 | Mangarayi | ŋijanŋan | | | Merlan (1989) | |
| 40343 | Manikion | emen | | | Reesink (2002) | |
| 41908 | Mansim | niwap | | | Reesink (2002) | |
| 50664 | Maori | maatou | | | Harlow (1996) | |
| 25122 | Mara | ṇirwiña | | | Heath (1981) | |
| 24442 | Maranunggu | -ŋeriña | | | Tryon (1970) | |
| 61938 | Martuthunira | nganarnaa | | | Dench (1995) | |
| 39413 | Mauwake | yia | | | Berghäll (2010) | |
| 33574 | Mauwake | yia | | | Berghäll (2010) | |
| 48660 | Mavea | kam̋im | | | Guérin (2011) | |
| 56998 | Mayogo | ya | | | Sawka (2001) | |
| 56482 | Mbato | lɔ˧ | | | Grassias and Bolé-Richard (1983) | |
| 58434 | Mbelimbe | ti˧ | | | Neukom (2004) | |
| 24106 | Mblafe | ni | | | Doehler, Christian () | |
| 43997 | Mbugu (Inner Dialect) | níne, nne | | | Mous (2003) | |
| 44045 | Mbugu (Normal Dialect) | úswi | | | Mous (2003) | |
| 41678 | Mehek | numbra | | | Paulon et al. (2002) | |
| 60068 | Mekens-ICR-LB | ose- | | | Galucio (2001) | |
| 60822 | Mekens-ICR-RH | ose- | | | Vilacy (2001) | |
| 60438 | Mekens_ICR_TCC | ose | | | Galucio (2001) | |
| 60212 | Mekens-ICR-WB | ose | | | Vilacy Galucio, Ana. 2001 () | |
| 41360 | Mende | nirin | | | Hoel et al. (1994) | |
| 35385 | Menya | ne | | | Whitehead (2004) | |
| 42656 | Meriam | kerbi | | | Piper (1989) | |
| 50856 | Mewati | həm | | | Gusain (2003) | |
| 40295 | Meyah | memef | | | Gravelle (2004) | |
| 30663 | Mian | ní | | | Fedden (2007) | |
| 30665 | Mian | níli | | | Fedden (2007) | |
| 30664 | Mian | ní- | | | Fedden (2007) | |
| 39782 | Mian | ní | | | Fedden (2007) | |
| 43901 | Modern Hebrew | -ˈɛnu | | | Glinert (1989) | |
| 31079 | Moken | kamoy | | | Veena (1980) | |
| 31080 | Moken | ʔetaʔ | | | Veena (1980) | |
| 46676 | Mombum | numwɛi | | | Boelaars (1950) | |
| 48852 | Mongolian (Halh Dialect) | bidniig | | | Gaunt and Bayarmandakh (2004) | |
| 50052 | Mono | mani | | | Evans (2015) | |
| 45820 | Morisyen | nuzot | | | Baker (1972) | |
| 43648 | Moroccan Arabic | -na | | | Harrell (1962) | |
| 35113 | Moskona | mif | | | Gravelle (2010) | |
| 60918 | Mpakwithi | nan̪a | | | Dixon (1981) | |
| 61821 | Mpur | yek | | | Odé (2002) | |
| 40664 | Mufian | afé' | | | Conrad et al. (1978) | |
| 52564 | Muinane | mɨ́ɨ́ʔai | | | Walton, Hensarling and Maxwell (2000) | |
| 57142 | Mumuye (Zing Dialect) | wò | | | Shimizu (1983) | |
| 34710 | Muna | insaidi | | | van den Berg (1989) | |
| 60308 | Mundari-ICR-KQ | ale | | | Osada (1992) | |
| 60020 | Mundari-ICR-LB | abu | | | Osada (1992) | |
| 60490 | Mundari_ICR_TCC | ale | | | Osada (1992) | |
