| 199215 | Nakame (Popof Dialect) | ɸe | | | Retsema et al. (2009) | |
| 199603 | Nakame (Munguleng Dialect) | hɑgoli | | | Retsema et al. (2009) | |
| 199088 | Nakame (Dzenzen Dialect) | kololɑŋ | | | Retsema et al. (2009) | |
| 214114 | Nakai | tɔːt | | | Hughes (2009) | |
| 197745 | Nagatiman | teb̶u | | | Conrad and Dye (1975) | |
| 244409 | Nabi | walú | | | Laycock (1968) | |
| 143971 | Musar | yʌr | | | Z'graggen (1980) | (bad) |
| 193486 | Musak | imbr | | | Z'graggen (1980) | bad |
| 125103 | Murupi | nau | | | Z'graggen (1980) | bad |
| 240708 | Murik (Wagamut Dialect) | ˈmwao | | | Abbott (1985) | |
| 240611 | Murik (Karau Dialect) | ˈmwao | | | Abbott (1985) | |
| 125092 | Munit | ʌru | | | Z'graggen (1980) | bad |
| 198612 | Mungkip | fɛ | | | Retsema et al. (2009) | |
| 193477 | Mum | ñamba | | | Z'graggen (1980) | bad |
| 258902 | Mulaha | waiki | | | Dutton (1970) | bad |
| 258901 | Motu | dika | | | Dutton (1970) | bad |
| 125106 | Mosimo | nʌ: | | | Z'graggen (1980) | bad |
| 193481 | Moresada | apu- | | | Z'graggen (1980) | bad |
| 143967 | Moere | fia | | | Z'graggen (1980) | (bad) |
| 244411 | Minidien | nakəlten | | | Laycock (1968) | |
| 181005 | Migum | ŋʌyo(nu) | | | Z'graggen (1980) | bad |
| 218345 | Migabac | sowacne | | | SIL (1975) | |
| 143964 | Miani | okɛr̃ɛ | | | Z'graggen (1980) | (bad) |
| 244428 | Mende | kapa | | | Laycock (1968) | |
| 76373 | Mbilua (Ndovele Dialect) | ruŋge | bad | | Tryon & Hackman (1983) | |
| 76449 | Mbilua | ruŋge-ama | bad | | Tryon & Hackman (1983) | |
| 76828 | Mbaniata (Lokuru Dialect) | rivōta | bad | | Tryon & Hackman (1983) | |
| 76991 | Mbaniata | rivōta | bad | | Tryon & Hackman (1983) | |
| 77914 | Maybrat | -kair | | | Dol (2007) | |
| 125113 | Mawan | nau | | | Z'graggen (1980) | bad |
| 143969 | Mawak | fi:wi | | | Z'graggen (1980) | (bad) |
| 143965 | Mauwake | sʌmɔlʌ | | | Z'graggen (1980) | (bad) |
| 125116 | Matepi | nau | | | Z'graggen (1980) | bad |
| 258899 | Maria | ˈhoˈsoʔa | | | Dutton (1970) | bad |
| 258897 | Maria (Uderi Dialect) | ˈʔoito | | | Dutton (1970) | bad |
| 258895 | Maria (Maranomu Dialect) | ˈnonaʔa | | | Dutton (1970) | bad |
| 258893 | Maria (Maiagolo Dialect) | ʔoˈsoʔa | | | Dutton (1970) | bad |
| 181025 | Male | baGɛti | | | Z'graggen (1980) | bad |
| 143956 | Malas | pi | | | Z'graggen (1980) | (bad) |
| 143961 | Mala | ɛgia | | | Z'graggen (1980) | (bad) |
| 221303 | Maiwa | kʰu'kʰaine | | | SIL (1973) | |
| 86694 | Mailu (Island Dialect) | oreore | | | Thomson (1975) | |
| 86420 | Mailu (Ilai Dialect) | oreore | | | Thomson (1975) | |
| 87790 | Mailu (Geagea Dialect) | oreore | | | Thomson (1975) | |
| 87242 | Mailu (Domara Dialect) | oreore | | | Thomson (1975) | |
| 88064 | Mailu (Delebai Dialect) | oreore | | | Thomson (1975) | |
| 88338 | Mailu (Darava Dialect) | oreore | | | Thomson (1975) | |
| 86968 | Mailu (Borebo Dialect) | oreore | | | Thomson (1975) | |
| 87516 | Mailu (Baibara Dialect) | oreore | | | Thomson (1975) | |
| 86146 | Mailu (Asiaoro Dialect) | oreore | | | Thomson (1975) | |
