| 156510 | Mesem | sʌk | | | McElhanon and Voorhoeve (1970) | skin |
| 91596 | Mesem | sək- | (its) skin | | McElhanon (1967) | (its) skin |
| 34356 | Meyah (Akrin Dialect) | a(o)wos | | | Miedema & Welling (1985) | |
| 34396 | Meyah (Anason Dialect) | awuot(y) | | | Miedema & Welling (1985) | |
| 34517 | Meyah (Etskebi Dialect) | menkar | | | Miedema & Welling (1985) | |
| 34557 | Meyah (Miun Dialect) | afuots | | | Miedema & Welling (1985) | |
| 34598 | Meyah (Mumbrani Dialect) | muos | | | Miedema & Welling (1985) | |
| 20372 | Meyah | mofos | | | Voorhoeve (1975) | |
| 156419 | Mian | ãr | | | McElhanon and Voorhoeve (1970) | skin |
| 140666 | Miani | -uka | | | Z'graggen (1980) | (skin) |
| 156511 | Migabac | sohoʔ | | | McElhanon and Voorhoeve (1970) | skin |
| 218223 | Migabac | soc | | | SIL (1975) | |
| 177662 | Migum | ŋʌroro | | | Z'graggen (1980) | skin |
| 177663 | Migum | mande | | | Z'graggen (1980) | skin |
| 3045 | Minanibai | nikopi | | | Franklin (1973) | |
| 243631 | Minidien | kirkeʔ | | | Laycock (1968) | |
| 25960 | Mlap | sup | | | Voorhoeve (1975) | |
| 140669 | Moere | ka:r | | | Z'graggen (1980) | (skin) |
| 20131 | Moi | -kesik | | | Voorhoeve (1975) | |
| 29603 | Molof | kant | | | Voorhoeve (1971) | |
| 19646 | Molof | kant | | | Voorhoeve (1975) | |
| 156512 | Momare | sofoʔ | | | McElhanon and Voorhoeve (1970) | skin |
| 21136 | Mombum | par | | | Voorhoeve (1975) | |
| 21530 | Momuna | ke | | | Voorhoeve (1975) | |
| 22372 | Moni | ada | | | Voorhoeve (1975) | |
| 92424 | Moni (Kemandoga Dialect) | ada | | | Larson & Larson (1972) | bark/skin |
| 21811 | Mor | gina | | | Voorhoeve (1975) | |
| 20172 | Moraid | balg | | | Voorhoeve (1975) | |
| 25194 | Mor (Austronesian) | hiʔi | | | Voorhoeve (1975) | |
| 32323 | Morawa | ubu | | | SIL (1973) | |
| 191586 | Moresada | -moŋʌk | | | Z'graggen (1980) | skin |
| 3464 | Morigi | tama | | | Wurm (1973) | |
| 21490 | Morori | par | | | Voorhoeve (1975) | |
| 121396 | Mosimo | gara- | | | Z'graggen (1980) | skin |
| 19080 | Moskona | mosho | | | Voorhoeve (1975) | |
| 34638 | Moskona (Merdey Dialect) | muos | | | Miedema & Welling (1985) | |
| 257889 | Motu | kopi- | | | Dutton (1970) | skin |
| 14687 | Mountain Koiari | vate | skin | | Dutton (2010) | |
| 34678 | Mpur (Arfu Dialect) | (è)fièk | | | Miedema & Welling (1985) | |
| 34718 | Mpur (Kebar Dialect) | fièk | | | Miedema & Welling (1985) | |
| 20292 | Mpur | fik | | | Voorhoeve (1975) | |
| 16807 | Mpur | fak | | | Miedema & Welling (1985) | |
| 3362 | Mubami | ai pele | | | Franklin (1973) | |
| 27423 | Mubami | aipele | | | Reesink (1976) | |
| 27424 | Mubami | gigi | | | Reesink (1976) | |
| 257890 | Mulaha | iaina | | | Dutton (1970) | skin |
| 191582 | Mum | pʉsa | | | Z'graggen (1980) | skin |
| 24994 | Munggui | rerawa | | | Voorhoeve (1975) | |
| 156490 | Mungkip | girim | | | McElhanon and Voorhoeve (1970) | skin |
| 121377 | Munit | gera- | | | Z'graggen (1980) | skin |
