| 177626 | Migum | tutuʷ | | | Z'graggen (1980) | bone |
| 3048 | Minanibai | ᵽia | | | Franklin (1973) | |
| 243714 | Minidien | loki | | | Laycock (1968) | |
| 25937 | Mlap | dowŋ | | | Voorhoeve (1975) | |
| 140645 | Moere | kon | | | Z'graggen (1980) | (bone) |
| 20108 | Moi | kodus | | | Voorhoeve (1975) | |
| 19623 | Molof | antai | | | Voorhoeve (1975) | |
| 29555 | Molof | antai | | | Voorhoeve (1971) | |
| 159534 | Momare | yoʔ | | | McElhanon and Voorhoeve (1970) | bone |
| 21113 | Mombum | itöx | | | Voorhoeve (1975) | |
| 21507 | Momuna | toko | | | Voorhoeve (1975) | |
| 22349 | Moni | iwa | | | Voorhoeve (1975) | |
| 7294 | Moni (Kemandoga Dialect) | iwa | | | Larson & Larson (1972) | |
| 21788 | Mor | weten | | | Voorhoeve (1975) | |
| 20149 | Moraid | kedoq | | | Voorhoeve (1975) | |
| 25171 | Mor (Austronesian) | ʔoro | | | Voorhoeve (1975) | |
| 191569 | Moresada | -ɣʌwʌŋk | | | Z'graggen (1980) | bone |
| 3467 | Morigi | holo | | | Wurm (1973) | |
| 21467 | Morori | ŋgwar | | | Voorhoeve (1975) | |
| 121359 | Mosimo | fahul- | | | Z'graggen (1980) | bone |
| 19059 | Moskona | ikofa | | | Voorhoeve (1975) | |
| 34615 | Moskona (Merdey Dialect) | ofora | | | Miedema & Welling (1985) | |
| 257939 | Motu | turia- | | | Dutton (1970) | bone |
| 34655 | Mpur (Arfu Dialect) | éip | | | Miedema & Welling (1985) | |
| 34695 | Mpur (Kebar Dialect) | ip | | | Miedema & Welling (1985) | |
| 20269 | Mpur | ip | | | Voorhoeve (1975) | |
| 16784 | Mpur | ip | | | Miedema & Welling (1985) | |
| 27427 | Mubami | efale | | | Reesink (1976) | |
| 3365 | Mubami | efole | | | Franklin (1973) | |
| 257940 | Mulaha | inina | | | Dutton (1970) | bone |
| 191565 | Mum | punj | | | Z'graggen (1980) | bone |
| 83159 | Mum | punj | | | Daniels (2010) | |
| 24971 | Munggui | sina | | | Voorhoeve (1975) | |
| 198587 | Mungkip | kwadi | | | Retsema et al. (2009) | |
| 159513 | Mungkip | kwadzi | | | McElhanon and Voorhoeve (1970) | bone |
| 121345 | Munit | ho- | | | Z'graggen (1980) | bone |
| 159475 | Muratayak | oser | | | McElhanon and Voorhoeve (1970) | bone |
| 240579 | Murik (Karau Dialect) | ˈsařigib | | | Abbott (1985) | |
| 240679 | Murik (Wagamut Dialect) | ˈsořigib | | | Abbott (1985) | |
| 236103 | Murik | sariŋi̩b | | | Foley (2005) | |
| 235433 | Murik | sariŋi̩b | | | Foley (2005) | |
| 7853 | Murik | sariŋib | | | Foley (1986) | |
| 121356 | Murupi | wahi- | | | Z'graggen (1980) | bone |
| 191574 | Musak | dʌgar | | | Z'graggen (1980) | bone |
| 140649 | Musar | gɛnʌp | | | Z'graggen (1980) | (bone) |
| 159446 | Muyu, North | kono | | | McElhanon and Voorhoeve (1970) | bone |
| 20873 | Muyu, North | ka kono | | | Voorhoeve (1975) | |
| 159447 | Muyu, South | kondo | | | McElhanon and Voorhoeve (1970) | bone |
| 20913 | Muyu, South | kondo | | | Voorhoeve (1975) | |
| 159529 | Nabak | kaset | | | McElhanon and Voorhoeve (1970) | bone |
