| 19083 | Moskona | mau | | | Voorhoeve (1975) | |
| 124238 | Mosimo | vi:hi | | | Z'graggen (1980) | sun |
| 21493 | Morori | kum | | | Voorhoeve (1975) | |
| 3470 | Morigi | hivio | | | Wurm (1973) | |
| 193046 | Moresada | iːnʌp | | | Z'graggen (1980) | sun |
| 32347 | Morawa | rina | | | SIL (1973) | |
| 25197 | Mor (Austronesian) | ora | | | Voorhoeve (1975) | |
| 20175 | Moraid | telu | | | Voorhoeve (1975) | |
| 21814 | Mor | seba | | | Voorhoeve (1975) | |
| 6288 | Moni (Kemandoga Dialect) | emondani | | | Larson & Larson (1972) | |
| 22375 | Moni | emondani | | | Voorhoeve (1975) | |
| 21533 | Momuna | ɨkɨ | | | Voorhoeve (1975) | |
| 21139 | Mombum | zawa | | | Voorhoeve (1975) | |
| 158883 | Mombum | zawa | | | McElhanon and Voorhoeve (1970) | sun |
| 158952 | Momare | wagoʔ | | | McElhanon and Voorhoeve (1970) | sun |
| 29610 | Molof | nei | | | Voorhoeve (1971) | |
| 19649 | Molof | nei | | | Voorhoeve (1975) | |
| 20134 | Moi | dewe | | | Voorhoeve (1975) | |
| 143215 | Moere | moa | | | Z'graggen (1980) | (sun) |
| 25963 | Mlap | woy | | | Voorhoeve (1975) | |
| 243755 | Minidien | amwo | | | Laycock (1968) | |
| 3051 | Minanibai | sivio | | | Franklin (1973) | |
| 180238 | Migum | kʰel | | | Z'graggen (1980) | sun |
| 218249 | Migabac | wenac | wennacg | | SIL (1975) | |
| 158951 | Migabac | wegoʔ | | | McElhanon and Voorhoeve (1970) | sun |
| 143212 | Miani | iːdʌm | | | Z'graggen (1980) | (sun) |
| 196690 | Mian | tan | | | Loughnane and Fedden (2011) | |
| 20375 | Meyah | mowa | | | Voorhoeve (1975) | |
| 34601 | Meyah (Mumbrani Dialect) | mauwa | | | Miedema & Welling (1985) | |
| 34560 | Meyah (Miun Dialect) | mouw | | | Miedema & Welling (1985) | |
| 34520 | Meyah (Etskebi Dialect) | mauw | | | Miedema & Welling (1985) | |
| 34399 | Meyah (Anason Dialect) | mauwa | | | Miedema & Welling (1985) | |
| 34359 | Meyah (Akrin Dialect) | mowa | | | Miedema & Welling (1985) | |
| 90826 | Mesem | kəsu | sun | | McElhanon (1967) | sun |
| 158949 | Mesem | kʌsu | | | McElhanon and Voorhoeve (1970) | sun |
| 4782 | Menya | mapa (tɨqa) | | | Lloyd (1973) | |
| 243776 | Mende | ta | | | Laycock (1968) | |
| 4511 | Mena | yosu | | | Franklin (1973) | |
| 4510 | Mena | yosə | | | Franklin (1973) | |
| 25883 | Mekwei | woy | | | Voorhoeve (1975) | |
| 243767 | Mehek | nampul | | | Laycock (1968) | |
| 236729 | Mbore | ra | | | Foley (2005) | |
| 25763 | Mawes | esar | | | Voorhoeve (1975) | |
| 124246 | Mawan | ʌ:m | | | Z'graggen (1980) | sun |
| 143217 | Mawak | ʌmʌri | | | Z'graggen (1980) | (sun) |
| 143213 | Mauwake | ama | | | Z'graggen (1980) | (sun) |
| 124248 | Matepi | uh | | | Z'graggen (1980) | sun |
| 21934 | Marind, Bian | keta:ne | | | Voorhoeve (1975) | |
| 158889 | Marind (Gawir Dialect) | katane | | | McElhanon and Voorhoeve (1970) | sun |
| 22335 | Marind | kata:ne | | | Voorhoeve (1975) | |
