| 86620 | Mailu (Island Dialect) | ʔopi | | | Thomson (1975) | |
| 21570 | Mairasi | n-aiʔa | | | Voorhoeve (1975) | |
| 221195 | Maiwa | pʰa'pʰunwa | | | SIL (1973) | |
| 217792 | Maiwa | koápiwa | Daga - oapinuwa | | SIL (1967) | |
| 21210 | Maklew | ase | | | Voorhoeve (1975) | |
| 140663 | Mala | ŋar | | | Z'graggen (1980) | (skin) |
| 177685 | Male | ko | | | Z'graggen (1980) | skin |
| 177686 | Male | todam | | | Z'graggen (1980) | skin |
| 233105 | Mali (Arambum Dialect) | ŋᶺndᶺŋ | | | SIL (1985) | |
| 233207 | Mali (Makunga Dialect) | kᶺⁿdʌⁿki | | | SIL (1985) | |
| 156481 | Mamaa | geʔ | | | McElhanon and Voorhoeve (1970) | skin |
| 156492 | Ma Manda | git | | | McElhanon and Voorhoeve (1970) | skin |
| 22822 | Mander | tife | | | Voorhoeve (1975) | |
| 201384 | Mandobo Atas | kotɑ | | | Voorhoeve (2000) | |
| 156413 | Mandobo Atas | kota | | | McElhanon and Voorhoeve (1970) | skin |
| 231341 | Mandobo Atas | kota | | | Healey (1970) | |
| 25560 | Mandobo Atas | kota | | | Voorhoeve (1975) | |
| 231525 | Mandobo Atas (Kwem Dialect) | kota | | | Healey (1970) | |
| 201465 | Mandobo Atas (Yonggom Dialect) | kotae | | | Voorhoeve (2000) | |
| 30521 | Manem | tofro | | | Voorhoeve (1971) | |
| 19200 | Manem | tofro | | | Voorhoeve (1975) | |
| 30520 | Manem | tofŋo | | | Voorhoeve (1971) | |
| 20452 | Manikion | mos | | | Voorhoeve (1975) | |
| 91602 | Mape | mâdzu- | (its) skin | | McElhanon (1967) | (its) skin |
| 156519 | Mape (East Dialect) | mɔdzi | | | McElhanon and Voorhoeve (1970) | skin |
| 156518 | Mape (Naga Dialect) | sakiʔ | | | McElhanon and Voorhoeve (1970) | skin |
| 156517 | Mape (Naga Dialect) | mɔdzɔ | | | McElhanon and Voorhoeve (1970) | skin |
| 257881 | Maria (Maiagolo Dialect) | ˈroʔo | | | Dutton (1970) | skin |
| 257883 | Maria (Maranomu Dialect) | ˈraha | | | Dutton (1970) | skin |
| 257885 | Maria (Uderi Dialect) | ˈroʔo | | | Dutton (1970) | skin |
| 257887 | Maria | roˈo | | | Dutton (1970) | skin |
| 22332 | Marind | ru:r | | | Voorhoeve (1975) | |
| 156437 | Marind (Gawir Dialect) | rur | | | McElhanon and Voorhoeve (1970) | skin |
| 21931 | Marind, Bian | lul | | | Voorhoeve (1975) | |
| 121411 | Matepi | ahu- | | | Z'graggen (1980) | skin |
| 121412 | Matepi | gare- | | | Z'graggen (1980) | skin |
| 140667 | Mauwake | kanem(a) | | | Z'graggen (1980) | (skin) |
| 140671 | Mawak | fuku | | | Z'graggen (1980) | (skin) |
| 121408 | Mawan | feru- | | | Z'graggen (1980) | skin |
| 121407 | Mawan | gari- | | | Z'graggen (1980) | skin |
| 25760 | Mawes | dukunen | | | Voorhoeve (1975) | |
| 77078 | Mbaniata | zuōna | skin | | Tryon & Hackman (1983) | |
| 76859 | Mbaniata (Lokuru Dialect) | zuɔna | skin | | Tryon & Hackman (1983) | |
| 76603 | Mbilua | tupu | skin | | Tryon & Hackman (1983) | |
| 76324 | Mbilua (Ndovele Dialect) | tupu | skin | | Tryon & Hackman (1983) | |
| 243643 | Mehek | liki | | | Laycock (1968) | |
| 25880 | Mekwei | asuk | | | Voorhoeve (1975) | |
| 248 | Mena | kʷaru | | | Franklin (1973) | |
| 243651 | Mende | maume | | | Laycock (1968) | |
| 4776 | Menya | hviwa | | | Lloyd (1973) | |
