| 21201 | Maklew | wodo | leg | | Voorhoeve (1975) | leg |
| 140244 | Mala | -nini | | | Z'graggen (1980) | (leg) |
| 140239 | Malas | ain | | | Z'graggen (1980) | (leg) |
| 177268 | Male | kubʌk | | | Z'graggen (1980) | leg |
| 233143 | Mali (Arambum Dialect) | aǥař | | | SIL (1985) | |
| 233250 | Mali (Makunga Dialect) | sᵊlʌpiřom | two legs | | SIL (1985) | |
| 233253 | Mali (Makunga Dialect) | alaǥar | | | SIL (1985) | |
| 237411 | Manambu | man | | | Foley (2005) | |
| 22813 | Mander | tau | leg | | Voorhoeve (1975) | leg |
| 25551 | Mandobo Atas | kondok | leg | | Voorhoeve (1975) | leg |
| 19191 | Manem | mogor | leg | | Voorhoeve (1975) | leg |
| 261221 | Manep | ain | | | Pick (2019) | leg |
| 20443 | Manikion | mohoti-muʔ | leg | | Voorhoeve (1975) | leg |
| 236801 | Marangis | or | | | Foley (2005) | |
| 24863 | Marau | ae | leg | | Voorhoeve (1975) | leg |
| 257831 | Maria (Maiagolo Dialect) | oˈnea | | | Dutton (1970) | leg |
| 257833 | Maria (Maranomu Dialect) | ˈnuʔa | | | Dutton (1970) | leg |
| 257835 | Maria (Uderi Dialect) | oneʔa | | | Dutton (1970) | leg |
| 257837 | Maria | ˈnuʔe | | | Dutton (1970) | leg |
| 22323 | Marind | ta:gu | leg | | Voorhoeve (1975) | leg |
| 21922 | Marind, Bian | tekam | leg | | Voorhoeve (1975) | leg |
| 120956 | Matepi | fa- | | | Z'graggen (1980) | leg |
| 140248 | Mauwake | mɛrɛna | | | Z'graggen (1980) | (leg) |
| 140252 | Mawak | ane | | | Z'graggen (1980) | (leg) |
| 120953 | Mawan | fʌ- | | | Z'graggen (1980) | leg |
| 25751 | Mawes | ija | leg | | Voorhoeve (1975) | leg |
| 76902 | Mbaniata | ōe | leg | | Tryon & Hackman (1983) | |
| 76790 | Mbaniata (Lokuru Dialect) | ɔe | leg | | Tryon & Hackman (1983) | |
| 76540 | Mbilua | kiti | leg | | Tryon & Hackman (1983) | |
| 76434 | Mbilua (Ndovele Dialect) | kiti | leg | | Tryon & Hackman (1983) | |
| 236800 | Mbore | or | | | Foley (2005) | |
| 243601 | Mehek | suwa | | | Laycock (1968) | |
| 25871 | Mekwei | masi | leg | | Voorhoeve (1975) | leg |
| 246 | Mena | hại habo | leg | | Franklin (1973) | leg |
| 243610 | Mende | kumpa | | | Laycock (1968) | |
| 4774 | Menya | zuka | leg | | Lloyd (1973) | leg |
| 34347 | Meyah (Akrin Dialect) | maki | leg | | Miedema & Welling (1985) | leg |
| 34387 | Meyah (Anason Dialect) | ikak | leg | | Miedema & Welling (1985) | leg |
| 34508 | Meyah (Etskebi Dialect) | meyak | leg | | Miedema & Welling (1985) | leg |
| 34548 | Meyah (Miun Dialect) | ipèk | leg | | Miedema & Welling (1985) | leg |
| 34588 | Meyah (Mumbrani Dialect) | ma:ki | leg | | Miedema & Welling (1985) | leg |
| 20363 | Meyah | maki | leg | | Voorhoeve (1975) | leg |
| 160281 | Mian | sakär | | | McElhanon and Voorhoeve (1970) | leg |
| 140247 | Miani | -riwa | | | Z'graggen (1980) | (leg) |
| 218291 | Migabac | hige | | | SIL (1975) | |
| 177249 | Migum | kʌbe | | | Z'graggen (1980) | leg |
| 3043 | Minanibai | idini | leg | | Franklin (1973) | leg |
| 243589 | Minidien | etiyə | | | Laycock (1968) | |
| 25951 | Mlap | mesi | leg | | Voorhoeve (1975) | leg |
| 140250 | Moere | kon | | | Z'graggen (1980) | (leg) |
