| 25537 | Mandobo Atas | mirap | | | Voorhoeve (1975) | |
| 159444 | Mandobo Atas | mirap | | | McElhanon and Voorhoeve (1970) | bone |
| 231364 | Mandobo Atas | mir=ap | | | Healey (1970) | |
| 231548 | Mandobo Atas (Kwem Dialect) | mir=ap | | | Healey (1970) | |
| 201409 | Mandobo Atas (Yonggom Dialect) | mit | | | Voorhoeve (2000) | |
| 19213 | Manem | kaŋ | | | Voorhoeve (1975) | |
| 30514 | Manem | kaŋ | | | Voorhoeve (1971) | |
| 19177 | Manem | kar | | | Voorhoeve (1975) | |
| 30515 | Manem | kar | | | Voorhoeve (1971) | |
| 20429 | Manikion | mori | | | Voorhoeve (1975) | |
| 91630 | Mape | siak- | (its) bone | | McElhanon (1967) | (its) bone |
| 159541 | Mape (East Dialect) | siaʔ | | | McElhanon and Voorhoeve (1970) | bone |
| 159539 | Mape (Naga Dialect) | hiaʔ | | | McElhanon and Voorhoeve (1970) | bone |
| 159540 | Mape (West Dialect) | siaʔ | | | McElhanon and Voorhoeve (1970) | bone |
| 236776 | Marangis | gagar | | | Foley (2005) | |
| 257931 | Maria (Maiagolo Dialect) | ˈnena | | | Dutton (1970) | bone |
| 257933 | Maria (Maranomu Dialect) | ˈnena | | | Dutton (1970) | bone |
| 257935 | Maria (Uderi Dialect) | ˈnena | | | Dutton (1970) | bone |
| 257937 | Maria | ˈnena | | | Dutton (1970) | bone |
| 22309 | Marind | hiyau | | | Voorhoeve (1975) | |
| 159468 | Marind (Gawir Dialect) | hlau | | | McElhanon and Voorhoeve (1970) | bone |
| 21908 | Marind, Bian | hiau | | | Voorhoeve (1975) | |
| 121368 | Matepi | epe- | | | Z'graggen (1980) | bone |
| 140643 | Mauwake | ɔnʌ | | | Z'graggen (1980) | (bone) |
| 140647 | Mawak | kɛnʌb | | | Z'graggen (1980) | (bone) |
| 121366 | Mawan | epe- | | | Z'graggen (1980) | bone |
| 25737 | Mawes | tuan | | | Voorhoeve (1975) | |
| 77770 | Maybrat | -tai | | | Dol (2007) | |
| 77081 | Mbaniata | minu | bone | | Tryon & Hackman (1983) | |
| 76856 | Mbaniata (Lokuru Dialect) | minu | bone | | Tryon & Hackman (1983) | |
| 76604 | Mbilua | piza | bone | | Tryon & Hackman (1983) | |
| 76321 | Mbilua (Ndovele Dialect) | piza | bone | | Tryon & Hackman (1983) | |
| 236775 | Mbore | gagar | | | Foley (2005) | |
| 243726 | Mehek | yefa | | | Laycock (1968) | |
| 25857 | Mekwei | den | | | Voorhoeve (1975) | |
| 251 | Mena | havo | | | Franklin (1973) | |
| 243734 | Mende | hapa | | | Laycock (1968) | |
| 4779 | Menya | yaanga | | | Lloyd (1973) | |
| 91624 | Mesem | siet- | (its) bone | | McElhanon (1967) | (its) bone |
| 159531 | Mesem | sɛt | | | McElhanon and Voorhoeve (1970) | bone |
| 34333 | Meyah (Akrin Dialect) | acfora | | | Miedema & Welling (1985) | |
| 34373 | Meyah (Anason Dialect) | c(a)fon | | | Miedema & Welling (1985) | |
| 34494 | Meyah (Etskebi Dialect) | afar | | | Miedema & Welling (1985) | |
| 34534 | Meyah (Miun Dialect) | or | | | Miedema & Welling (1985) | |
| 34574 | Meyah (Mumbrani Dialect) | (m)ogu(e) | | | Miedema & Welling (1985) | |
| 20349 | Meyah | mofora | | | Voorhoeve (1975) | |
| 159450 | Mian | on | | | McElhanon and Voorhoeve (1970) | bone |
| 140642 | Miani | -karum | | | Z'graggen (1980) | (bone) |
| 159533 | Migabac | liwe | | | McElhanon and Voorhoeve (1970) | bone |
| 218278 | Migabac | ruwe ine | | | SIL (1975) | |
