| 123140 | Munit | hã | | | Z'graggen (1980) | tree |
| 240564 | Murik (Karau Dialect) | ˈiařař | | | Abbott (1985) | |
| 240670 | Murik (Wagamut Dialect) | ˈialal | | | Abbott (1985) | |
| 7861 | Murik | yarar | | | Foley (1986) | |
| 123151 | Murupi | aima | | | Z'graggen (1980) | tree |
| 192480 | Musak | tar | | | Z'graggen (1980) | tree |
| 142225 | Musar | nʌ | | | Z'graggen (1980) | tree |
| 20902 | Muyu, North | at | | | Voorhoeve (1975) | |
| 20942 | Muyu, South | at | | | Voorhoeve (1975) | |
| 91369 | Nabak | təp | tree | | McElhanon (1967) | tree |
| 244167 | Nabi | nip | | | Laycock (1968) | |
| 26126 | Nafri | ono | | | Voorhoeve (1975) | |
| 197831 | Nagatiman | ti: | | | Conrad and Dye (1975) | |
| 214016 | Nakai | ˈʔɑ ɴɢɔɴ | | | Hughes (2009) | |
| 199117 | Nakame (Dzenzen Dialect) | bɛŋ | | | Retsema et al. (2009) | |
| 199745 | Nakame (Gufin Dialect) | bem | | | Retsema et al. (2009) | |
| 199639 | Nakame (Munguleng Dialect) | bɛm | | | Retsema et al. (2009) | |
| 199244 | Nakame (Popof Dialect) | bɛm | | | Retsema et al. (2009) | |
| 198998 | Nakame (Wasin Dialect) | beŋ | | | Retsema et al. (2009) | |
| 123153 | Nake | aim | | | Z'graggen (1980) | tree |
| 23500 | Nalca | khal | | | Voorhoeve (1975) | |
| 156441 | Nalca | kal | | | McElhanon and Voorhoeve (1970) | tree |
| 244191 | Namia | mi | | | Laycock (1968) | |
| 237738 | Namia | mi | | | Foley (2005) | |
| 19492 | Narau | bimesini | | | Voorhoeve (1975) | |
| 20418 | Ndom | ndör | | | Voorhoeve (1975) | |
| 157179 | Ndom | ndua | | | McElhanon and Voorhoeve (1970) | tree |
| 38774 | Nedebang | tɛ | | | Stokhof (1975) | |
| 157185 | Nekgini | de | | | McElhanon and Voorhoeve (1970) | tree |
| 157105 | Nekgini | ti | | | McElhanon and Voorhoeve (1970) | tree |
| 157184 | Neko | tei | | | McElhanon and Voorhoeve (1970) | tree |
| 192478 | Nend | arɨ | | | Z'graggen (1980) | tree |
| 83501 | Nend | arɨ | | | Daniels (2010) | |
| 157183 | Ngaing | dik | | | McElhanon and Voorhoeve (1970) | tree |
| 237426 | Ngala | mɨy | | | Foley (2005) | |
| 20742 | Ngalum | a | | | Voorhoeve (1975) | |
| 25846 | Nimboran | di-tim | | | Voorhoeve (1975) | |
| 198269 | Nimo | a | | | Conrad and Dye (1975) | |
| 246337 | Nimo | ʔa | | | SIL (1963) | |
| 20862 | Ninggerum | a | | | Voorhoeve (1975) | |
| 244160 | Ningil | lu: | | | Laycock (1968) | |
| 123165 | Nobonob | aib | | | Z'graggen (1980) | tree |
| 17270 | Northeast Kiwai (Arigibi Dialect) | 'núʔʌ | | | Wurm (1973) | |
| 31458 | Northeast Kiwai (Gibaio Dialect) | 'nú:ʔʌ | | | Wurm (1973) | |
| 2965 | Northeast Kiwai (Gope Dialect) | nuʔa | | | Wurm (1973) | |
| 981 | Northeast Kiwai (Urama Dialect) | nuʔa | | | Wurm (1973) | |
| 200047 | Numanggang (Tumung Dialect) | bem | | | Retsema et al. (2009) | |
| 217305 | Obokuitai | kub̚ | | | Clouse (1997) | |
| 197466 | Odiai | nda | | | Conrad and Dye (1975) | |
| 16320 | Odoodee (Hesif Dialect) | hɔmɔ | | | Shaw (1986) | |
