| 258895 | Maria (Maranomu Dialect) | ˈnonaʔa | | | Dutton (1970) | bad |
| 258897 | Maria (Uderi Dialect) | ˈʔoito | | | Dutton (1970) | bad |
| 258899 | Maria | ˈhoˈsoʔa | | | Dutton (1970) | bad |
| 125116 | Matepi | nau | | | Z'graggen (1980) | bad |
| 143965 | Mauwake | sʌmɔlʌ | | | Z'graggen (1980) | (bad) |
| 143969 | Mawak | fi:wi | | | Z'graggen (1980) | (bad) |
| 125113 | Mawan | nau | | | Z'graggen (1980) | bad |
| 77914 | Maybrat | -kair | | | Dol (2007) | |
| 76991 | Mbaniata | rivōta | bad | | Tryon & Hackman (1983) | |
| 76828 | Mbaniata (Lokuru Dialect) | rivōta | bad | | Tryon & Hackman (1983) | |
| 76449 | Mbilua | ruŋge-ama | bad | | Tryon & Hackman (1983) | |
| 76373 | Mbilua (Ndovele Dialect) | ruŋge | bad | | Tryon & Hackman (1983) | |
| 244428 | Mende | kapa | | | Laycock (1968) | |
| 143964 | Miani | okɛr̃ɛ | | | Z'graggen (1980) | (bad) |
| 218345 | Migabac | sowacne | | | SIL (1975) | |
| 181005 | Migum | ŋʌyo(nu) | | | Z'graggen (1980) | bad |
| 244411 | Minidien | nakəlten | | | Laycock (1968) | |
| 143967 | Moere | fia | | | Z'graggen (1980) | (bad) |
| 193481 | Moresada | apu- | | | Z'graggen (1980) | bad |
| 125106 | Mosimo | nʌ: | | | Z'graggen (1980) | bad |
| 258901 | Motu | dika | | | Dutton (1970) | bad |
| 258902 | Mulaha | waiki | | | Dutton (1970) | bad |
| 193477 | Mum | ñamba | | | Z'graggen (1980) | bad |
| 198612 | Mungkip | fɛ | | | Retsema et al. (2009) | |
| 125092 | Munit | ʌru | | | Z'graggen (1980) | bad |
| 240611 | Murik (Karau Dialect) | ˈmwao | | | Abbott (1985) | |
| 240708 | Murik (Wagamut Dialect) | ˈmwao | | | Abbott (1985) | |
| 125103 | Murupi | nau | | | Z'graggen (1980) | bad |
| 193486 | Musak | imbr | | | Z'graggen (1980) | bad |
| 143971 | Musar | yʌr | | | Z'graggen (1980) | (bad) |
| 244409 | Nabi | walú | | | Laycock (1968) | |
| 197745 | Nagatiman | teb̶u | | | Conrad and Dye (1975) | |
| 214114 | Nakai | tɔːt | | | Hughes (2009) | |
| 199088 | Nakame (Dzenzen Dialect) | kololɑŋ | | | Retsema et al. (2009) | |
| 199603 | Nakame (Munguleng Dialect) | hɑgoli | | | Retsema et al. (2009) | |
| 199215 | Nakame (Popof Dialect) | ɸe | | | Retsema et al. (2009) | |
| 198730 | Nakame (Sikalan Dialect) | kololaŋ | | | Retsema et al. (2009) | |
| 198851 | Nakame (Sokan Dialect) | qololaŋ | | | Retsema et al. (2009) | |
| 198969 | Nakame (Wasin Dialect) | kololɑŋ | | | Retsema et al. (2009) | |
| 125105 | Nake | nau | | | Z'graggen (1980) | bad |
| 244429 | Namia | kəpli | | | Laycock (1968) | |
| 200184 | Nek (Goambot Dialect) | kolɑn | | | Retsema et al. (2009) | |
| 193484 | Nend | kawʌg | | | Z'graggen (1980) | bad |
| 198181 | Nimo | ᵽesʌku | | | Conrad and Dye (1975) | |
| 125119 | Nobonob | nau | | | Z'graggen (1980) | bad |
| 125118 | Nobonob | nou | | | Z'graggen (1980) | bad |
| 199807 | Nuk (Tamben Dialect) | bɨtɑn | | | Retsema et al. (2009) | |
| 199917 | Nuk (Tunam Dialect) | boɨtnɨ | | | Retsema et al. (2009) | |
| 220753 | Obokuitai | asaikɛdi | | | Clouse (1997) | |
| 197396 | Odiai | buřiæbu | | | Conrad and Dye (1975) | |
