| 139767 | Musar | nʌːviʌk | | | Z'graggen (1980) | (tongue) |
| 154837 | Muyu, North | oŋ | | | McElhanon and Voorhoeve (1970) | tongue |
| 154838 | Muyu, South | oŋ | | | McElhanon and Voorhoeve (1970) | tongue |
| 91523 | Nabak | nambaram- | (its) tongue | | McElhanon (1967) | (its) tongue |
| 154912 | Nabak | nambalam | | | McElhanon and Voorhoeve (1970) | tongue |
| 243427 | Nabi | wulaf | | | Laycock (1968) | |
| 197829 | Nagatiman | aǏižiʔ | | | Conrad and Dye (1975) | |
| 213971 | Nakai | ʔɔŋ | | | Hughes (2009) | |
| 154891 | Nakame | mabilak | | | McElhanon and Voorhoeve (1970) | tongue |
| 199054 | Nakame (Dzenzen Dialect) | mebɛŋ | | | Retsema et al. (2009) | |
| 199696 | Nakame (Gufin Dialect) | mɑ:bitne | | | Retsema et al. (2009) | |
| 199561 | Nakame (Munguleng Dialect) | mɑblemge | | | Retsema et al. (2009) | |
| 199178 | Nakame (Popof Dialect) | mɑ̄·bi | | | Retsema et al. (2009) | |
| 198696 | Nakame (Sikalan Dialect) | mɛmbəŋ | | | Retsema et al. (2009) | |
| 198815 | Nakame (Sokan Dialect) | mɛbɛm | | | Retsema et al. (2009) | |
| 120416 | Nake | nimʌ:ru- | | | Z'graggen (1980) | tongue |
| 243450 | Namia | lar | | | Laycock (1968) | |
| 237690 | Namia | lar | | | Foley (2005) | |
| 154876 | Nankina | mien | | | McElhanon and Voorhoeve (1970) | tongue |
| 38747 | Nedebang | nɛl'ɛfu | | | Stokhof (1975) | |
| 154892 | Nek | memben | | | McElhanon and Voorhoeve (1970) | tongue |
| 200151 | Nek (Goambot Dialect) | məmben | | | Retsema et al. (2009) | |
| 154859 | Neko | mɛlepi- | | | McElhanon and Voorhoeve (1970) | tongue |
| 191075 | Nend | zɨgina | | | Z'graggen (1980) | tongue |
| 154858 | Ngaing | nɛbʌli | | | McElhanon and Voorhoeve (1970) | tongue |
| 237391 | Ngala | tɨkan | | | Foley (2005) | |
| 154888 | Nimi | mɛmbim | | | McElhanon and Voorhoeve (1970) | tongue |
| 198267 | Nimo | isa:pe | | | Conrad and Dye (1975) | |
| 246327 | Nimo | isa:be | | | SIL (1963) | |
| 154839 | Ninggerum | hooŋ | | | McElhanon and Voorhoeve (1970) | tongue |
| 243421 | Ningil | wa:r | | | Laycock (1968) | |
| 120428 | Nobonob | balamu- | | | Z'graggen (1980) | tongue |
| 154902 | Nomu | neberam | | | McElhanon and Voorhoeve (1970) | tongue |
| 17241 | Northeast Kiwai (Arigibi Dialect) | tótoʔopɛ | | | Wurm (1973) | |
| 31429 | Northeast Kiwai (Gibaio Dialect) | t:o't:o:˥˩bɛ:˥˩ | | | Wurm (1973) | |
| 2936 | Northeast Kiwai (Gope Dialect) | totobe | | | Wurm (1973) | |
| 952 | Northeast Kiwai (Urama Dialect) | totoʔbe | | | Wurm (1973) | |
| 154893 | Nuk | mamben | | | McElhanon and Voorhoeve (1970) | tongue |
| 199774 | Nuk (Tamben Dialect) | mɛbɨn | | | Retsema et al. (2009) | |
| 199885 | Nuk (Tunam Dialect) | mɑmbeɣɑŋgɑ | | | Retsema et al. (2009) | |
| 154863 | Nukna | elʌk | | | McElhanon and Voorhoeve (1970) | tongue |
| 154864 | Nukna (Hamelengan Dialect) | elʌk | | | McElhanon and Voorhoeve (1970) | tongue |
| 154890 | Numanggang | mambam | | | McElhanon and Voorhoeve (1970) | tongue |
| 200076 | Numanggang (Kawalang Dialect) | mebem | | | Retsema et al. (2009) | |
| 199996 | Numanggang (Tumung Dialect) | mɑbelem | | | Retsema et al. (2009) | |
| 212865 | Obokuitai | a-ɾija | | | Clouse (1997) | |
| 197464 | Odiai | dʌgʌrʌ | | | Conrad and Dye (1975) | |
| 16291 | Odoodee (Hesif Dialect) | i | | | Shaw (1986) | |
| 16191 | Odoodee (Kalamo Dialect) | i | | | Shaw (1986) | |
| 176759 | Ogea | muñʌge | | | Z'graggen (1980) | tongue |
