| 231294 | Mandobo Atas | dot- | | | Healey (1970) | |
| 231478 | Mandobo Atas (Kwem Dialect) | dot- | | | Healey (1970) | |
| 201441 | Mandobo Atas (Yonggom Dialect) | dɑt- | | | Voorhoeve (2000) | |
| 236891 | Marangis | warak | | | Foley (2005) | |
| 259379 | Maria (Maiagolo Dialect) | nede- | | | Dutton (1970) | hear |
| 259381 | Maria (Maranomu Dialect) | nede- | | | Dutton (1970) | hear |
| 259383 | Maria (Uderi Dialect) | nete- | | | Dutton (1970) | hear |
| 259385 | Maria | nete- | | | Dutton (1970) | hear |
| 127602 | Matepi | do | | | Z'graggen (1980) | hear |
| 146277 | Mauwake | -mim- | | | Z'graggen (1980) | hear |
| 146281 | Mawak | -furu-kɛw- | | | Z'graggen (1980) | hear |
| 127600 | Mawan | do | | | Z'graggen (1980) | hear |
| 77938 | Maybrat | -ari | | | Dol (2007) | |
| 76956 | Mbaniata | ōrōna | hear | | Tryon & Hackman (1983) | |
| 76686 | Mbaniata (Lokuru Dialect) | āmaŋga | hear | | Tryon & Hackman (1983) | |
| 76608 | Mbilua | viŋgo | hear | | Tryon & Hackman (1983) | |
| 76426 | Mbilua (Ndovele Dialect) | viŋgo | hear | | Tryon & Hackman (1983) | |
| 236890 | Mbore | warak | | | Foley (2005) | |
| 301 | Mena | mɛnə kotamau | | | Franklin (1973) | |
| 4829 | Menya | qata wiqi | [iq] underlined | | Lloyd (1973) | |
| 146276 | Miani | -dam- | | | Z'graggen (1980) | hear |
| 218397 | Migabac | je i ŋagegac | | | SIL (1975) | |
| 183206 | Migum | si- | | | Z'graggen (1980) | to hear |
| 3098 | Minanibai | eugio | | | Franklin (1973) | |
| 146279 | Moere | -iwan- | | | Z'graggen (1980) | hear |
| 29578 | Molof | ar - | | | Voorhoeve (1971) | |
| 6139 | Moni (Kemandoga Dialect) | nindija | | | Larson & Larson (1972) | |
| 194765 | Moresada | -indʌrʌ- | | | Z'graggen (1980) | hear |
| 3517 | Morigi | erevidio | | | Wurm (1973) | |
| 127591 | Mosimo | do | | | Z'graggen (1980) | hear |
| 259387 | Motu | kamonai- | | | Dutton (1970) | hear |
| 15023 | Mountain Koiari | evi- | hear | | Dutton (2010) | |
| 34245 | Mubami | mauwɛ | | | Reesink (1976) | |
| 3415 | Mubami | bewo | | | Franklin (1973) | |
| 34244 | Mubami | bewo | | | Reesink (1976) | |
| 259388 | Mulaha | gouata | | | Dutton (1970) | hear |
| 194760 | Mum | indar- | | | Z'graggen (1980) | hear |
| 82843 | Mum | iⁿdar | | | Daniels (2010) | |
| 194761 | Mum | ŋg- | | | Z'graggen (1980) | hear |
| 127574 | Munit | ndu | | | Z'graggen (1980) | hear |
| 240623 | Murik (Karau Dialect) | ˈmanenuřawɩn | | | Abbott (1985) | |
| 236232 | Murik | dɨn | | | Foley (2005) | |
| 7876 | Murik | dɨn- | | | Foley (1986) | |
| 235562 | Murik | dɨn | | | Foley (2005) | |
| 127587 | Murupi | do | | | Z'graggen (1980) | hear |
| 194771 | Musak | iri- | | | Z'graggen (1980) | hear |
| 146283 | Musar | -huluw- | | | Z'graggen (1980) | hear |
| 214129 | Nakai | ˈβɛɴsɛm | | | Hughes (2009) | |
| 127590 | Nake | do | | | Z'graggen (1980) | hear |
| 194768 | Nend | cɨgam- | | | Z'graggen (1980) | hear |
