| 42916 | Mandarin | nǐmen | | | Hyslop (2014) | |
| 46706 | Mandobo | neŋɡip | | | Wester (2014) | |
| 50694 | Mangarayi | ɳuɭa | | | Merlan (1989) | |
| 40325 | Manikion | yen | | | Reesink (2002) | |
| 41890 | Mansim | šenu | | | Reesink (2002) | |
| 50646 | Maori | koutou | | | Harlow (1996) | |
| 25140 | Mara | ṇurwuña | | | Heath (1981) | |
| 24460 | Maranunggu | nica | | | Tryon (1970) | |
| 61945 | Martuthunira | nhuwana | | | Dench (1995) | |
| 39446 | Mauwake | ni | | | Berghäll (2010) | |
| 33607 | Mauwake | ni | | | Berghäll (2010) | |
| 48642 | Mavea | kam̋im | | | Guérin (2011) | |
| 56980 | Mayogo | yi | | | Sawka (2001) | |
| 56464 | Mbato | nã˥ | | | Grassias and Bolé-Richard (1983) | |
| 58416 | Mbelimbe | di˧ | | | Neukom (2004) | |
| 35698 | Mblafe | mbəndʒe | | | Doehler, Christian () | |
| 43979 | Mbugu (Inner Dialect) | kúné | | | Mous (2003) | |
| 44027 | Mbugu (Normal Dialect) | úɲwi | | | Mous (2003) | |
| 41665 | Mehek | kumbra | | | Paulon et al. (2002) | |
| 60050 | Mekens-ICR-LB | eyat | | | Galucio (2001) | |
| 60804 | Mekens-ICR-RH | eyat | | | Vilacy (2001) | |
| 60420 | Mekens_ICR_TCC | eyat | | | Galucio (2001) | |
| 60194 | Mekens-ICR-WB | eyat | | | Vilacy Galucio, Ana. 2001 () | |
| 41342 | Mende | jir | | | Hoel et al. (1994) | |
| 35403 | Menya | he | | | Whitehead (2004) | |
| 42638 | Meriam | wa | | | Piper (1989) | |
| 50838 | Mewati | t̪um | | | Gusain (2003) | |
| 40277 | Meyah | iwa | | | Gravelle (2004) | |
| 30715 | Mian | ílib- | | | Fedden (2007) | |
| 30713 | Mian | íbo | | | Fedden (2007) | |
| 30714 | Mian | íb- | | | Fedden (2007) | |
| 39833 | Mian | íbó | | | Fedden (2007) | |
| 43883 | Modern Hebrew | atɛm | ‘atɛm’ is in fact the 2plM form, the 2plF form is ‘atɛn’ (Gilnert 1989). | | Glinert (1989) | |
| 31116 | Moken | pʰoheeŋ | | | Veena (1980) | |
| 31115 | Moken | kañe | | | Veena (1980) | |
| 46658 | Mombum | yum | | | Boelaars (1950) | |
| 48834 | Mongolian (Halh Dialect) | tanar | | | Gaunt and Bayarmandakh (2004) | |
| 50034 | Mono | maang | | | Evans (2015) | |
| 45802 | Morisyen | zot-tu | | | Baker (1972) | |
| 43630 | Moroccan Arabic | ntuma | | | Harrell (1962) | |
| 35131 | Moskona | yua | | | Gravelle (2010) | |
| 60900 | Mpakwithi | ɽe:ɣe | | | Dixon (1981) | |
| 61803 | Mpur | nen | | | Odé (2002) | |
| 40646 | Mufian | ipé | | | Conrad et al. (1978) | |
| 52546 | Muinane | ámɨɨʔai | | | Walton, Hensarling and Maxwell (2000) | |
| 57124 | Mumuye (Zing Dialect) | nò | | | Shimizu (1983) | |
| 34734 | Muna | (i)hintu-umu | intaidi-imu is the polite form, (i)hintu-umu is the familiar form. | | van den Berg (1989) | |
| 34735 | Muna | intaidi-imu | | | van den Berg (1989) | |
| 60290 | Mundari-ICR-KQ | ape | | | Osada (1992) | |
| 60002 | Mundari-ICR-LB | ape | | | Osada (1992) | |
