| 32339 | Morawa | birou | | | SIL (1973) | |
| 192767 | Moresada | umuŋʌmp | | | Z'graggen (1980) | smoke |
| 3482 | Morigi | ela gahoa | | | Wurm (1973) | |
| 123694 | Mosimo | muhi | | | Z'graggen (1980) | smoke |
| 258300 | Motu | kwaiahu | | | Dutton (1970) | smoke |
| 3380 | Mubami | op̱uto | | | Franklin (1973) | |
| 27450 | Mubami | ofuto | | | Reesink (1976) | |
| 258301 | Mulaha | utubuna | | | Dutton (1970) | smoke |
| 192763 | Mum | ubuŋ | | | Z'graggen (1980) | smoke |
| 198632 | Mungkip | kuduge | | | Retsema et al. (2009) | |
| 156596 | Mungkip | tafo | | | McElhanon and Voorhoeve (1970) | smoke |
| 123680 | Munit | ebur | | | Z'graggen (1980) | smoke |
| 156553 | Muratayak | kigap | | | McElhanon and Voorhoeve (1970) | smoke |
| 240552 | Murik (Karau Dialect) | ˈsakʰɛn | | | Abbott (1985) | |
| 240656 | Murik (Wagamut Dialect) | ˈsakʰərəkʰatiʰ | | | Abbott (1985) | |
| 123691 | Murupi | muhi | | | Z'graggen (1980) | smoke |
| 192773 | Musak | ʉsʉ | | | Z'graggen (1980) | smoke |
| 142742 | Musar | kʌ:wuk | | | Z'graggen (1980) | (smoke) |
| 156529 | Muyu, North | amot-ten | | | McElhanon and Voorhoeve (1970) | smoke |
| 156530 | Muyu, South | amo-iip | | | McElhanon and Voorhoeve (1970) | smoke |
| 156613 | Nabak | kʌsʌk | | | McElhanon and Voorhoeve (1970) | smoke |
| 91243 | Nabak | kəsək | smoke | | McElhanon (1967) | smoke |
| 244127 | Nabi | səpaf | | | Laycock (1968) | |
| 197819 | Nagatiman | ahiyaǏiᵽaʔ | | | Conrad and Dye (1975) | |
| 214057 | Nakai | ˈʔɑtɛp | | | Hughes (2009) | |
| 156593 | Nakame | gue | | | McElhanon and Voorhoeve (1970) | smoke |
| 199107 | Nakame (Dzenzen Dialect) | guwe | | | Retsema et al. (2009) | |
| 199737 | Nakame (Gufin Dialect) | kudugwe | | | Retsema et al. (2009) | |
| 199627 | Nakame (Munguleng Dialect) | guwe | | | Retsema et al. (2009) | |
| 199628 | Nakame (Munguleng Dialect) | mūkmūk | | | Retsema et al. (2009) | |
| 199234 | Nakame (Popof Dialect) | guwɛ | | | Retsema et al. (2009) | |
| 198749 | Nakame (Sikalan Dialect) | ndɾo | | | Retsema et al. (2009) | |
| 198870 | Nakame (Sokan Dialect) | guwe | | | Retsema et al. (2009) | |
| 198988 | Nakame (Wasin Dialect) | guwe | | | Retsema et al. (2009) | |
| 123693 | Nake | kʌ:h | | | Z'graggen (1980) | smoke |
| 244150 | Namia | inaru | | | Laycock (1968) | |
| 156578 | Nankina | kʌbaat | | | McElhanon and Voorhoeve (1970) | smoke |
| 38839 | Nedebang | b'unα | | | Stokhof (1975) | |
| 156594 | Nek | gue | | | McElhanon and Voorhoeve (1970) | smoke |
| 200203 | Nek (Goambot Dialect) | kombɑŋgue | | | Retsema et al. (2009) | |
| 156558 | Nekgini | os | | | McElhanon and Voorhoeve (1970) | smoke |
| 156557 | Neko | osʌ | | | McElhanon and Voorhoeve (1970) | smoke |
| 192770 | Nend | prɨz | | | Z'graggen (1980) | smoke |
| 156556 | Ngaing | osʌ | | | McElhanon and Voorhoeve (1970) | smoke |
| 156590 | Nimi | kadigi | | | McElhanon and Voorhoeve (1970) | smoke |
| 198257 | Nimo | tawouk | | | Conrad and Dye (1975) | |
| 246325 | Nimo | tawouk | | | SIL (1963) | |
| 198256 | Nimo | monita | | | Conrad and Dye (1975) | |
| 156531 | Ninggerum | arek | | | McElhanon and Voorhoeve (1970) | smoke |
| 244120 | Ningil | suwaku | | | Laycock (1968) | |
