| 20137 | Moi | ouk | | | Voorhoeve (1975) | |
| 142221 | Moere | namʌ | | | Z'graggen (1980) | tree |
| 25966 | Mlap | di | | | Voorhoeve (1975) | |
| 244169 | Minidien | lowɨ | | | Laycock (1968) | |
| 3066 | Minanibai | dɛ | | | Franklin (1973) | |
| 179253 | Migum | al | | | Z'graggen (1980) | tree |
| 218254 | Migabac | joc | | | SIL (1975) | |
| 142218 | Miani | nʌm | | | Z'graggen (1980) | tree |
| 20378 | Meyah | merga | | | Voorhoeve (1975) | |
| 34604 | Meyah (Mumbrani Dialect) | òkàwu(n) | | | Miedema & Welling (1985) | |
| 34563 | Meyah (Miun Dialect) | apow | | | Miedema & Welling (1985) | |
| 34523 | Meyah (Etskebi Dialect) | merga | | | Miedema & Welling (1985) | |
| 34402 | Meyah (Anason Dialect) | akow | | | Miedema & Welling (1985) | |
| 34362 | Meyah (Akrin Dialect) | mèga | | | Miedema & Welling (1985) | |
| 91358 | Mesem | tə | tree | | McElhanon (1967) | tree |
| 4797 | Menya | iya | | | Lloyd (1973) | |
| 244190 | Mende | mi | | | Laycock (1968) | |
| 269 | Mena | ʔi | | | Franklin (1973) | |
| 25886 | Mekwei | di | | | Voorhoeve (1975) | |
| 244181 | Mehek | mo: | | | Laycock (1968) | |
| 236820 | Mbore | ik | | | Foley (2005) | |
| 25766 | Mawes | deŋkin | | | Voorhoeve (1975) | |
| 123161 | Mawan | ah | | | Z'graggen (1980) | tree |
| 142223 | Mawak | nʌ | | | Z'graggen (1980) | tree |
| 142219 | Mauwake | nomɔkwʌ | | | Z'graggen (1980) | tree |
| 123163 | Matepi | ɛs | | | Z'graggen (1980) | tree |
| 21937 | Marind, Bian | de: | | | Voorhoeve (1975) | |
| 157174 | Marind (Gawir Dialect) | de | | | McElhanon and Voorhoeve (1970) | tree |
| 22338 | Marind | de: | | | Voorhoeve (1975) | |
| 258338 | Maria | ˈyabo | | | Dutton (1970) | tree |
| 258336 | Maria (Uderi Dialect) | ˈyavo | | | Dutton (1970) | tree |
| 258334 | Maria (Maranomu Dialect) | ˈyabo | | | Dutton (1970) | tree |
| 258331 | Maria (Maiagolo Dialect) | yabo | | | Dutton (1970) | tree |
| 258332 | Maria (Maiagolo Dialect) | oˈruma | | | Dutton (1970) | tree |
| 236821 | Marangis | padoŋ | | | Foley (2005) | |
| 91364 | Mape | yâk | tree | | McElhanon (1967) | tree |
| 20458 | Manikion | sako | | | Voorhoeve (1975) | |
| 261186 | Manep | mundu | | | Pick (2019) | tree |
| 29531 | Manem | ti | | | Voorhoeve (1971) | |
| 19206 | Manem | ti | | | Voorhoeve (1975) | |
| 231497 | Mandobo Atas (Kwem Dialect) | in | also 'fire' | | Healey (1970) | |
| 231313 | Mandobo Atas | in | | | Healey (1970) | |
| 25566 | Mandobo Atas | in | | | Voorhoeve (1975) | |
| 22828 | Mander | bure | | | Voorhoeve (1975) | |
| 83502 | Manat | tat | | | Daniels (2010) | |
| 237427 | Manambu | mɨy | | | Foley (2005) | |
| 156487 | Ma Manda | kadip | | | McElhanon and Voorhoeve (1970) | tree |
| 233232 | Mali (Makunga Dialect) | amʌŋka | | | SIL (1985) | |
| 233129 | Mali (Arambum Dialect) | ŋumuŋ | | | SIL (1985) | |
| 179273 | Male | ŋam | | | Z'graggen (1980) | tree |
