| 156445 | Muratayak | mʌsį | | | McElhanon and Voorhoeve (1970) | skin |
| 240539 | Murik (Karau Dialect) | ˈnagun | | | Abbott (1985) | |
| 240646 | Murik (Wagamut Dialect) | ˈnagun | | | Abbott (1985) | |
| 121391 | Murupi | garaw- | | | Z'graggen (1980) | skin |
| 191593 | Musak | tʉbu | | | Z'graggen (1980) | skin |
| 191592 | Musak | kʉrʉbu | | | Z'graggen (1980) | skin |
| 140673 | Musar | huku | | | Z'graggen (1980) | (skin) |
| 156415 | Muyu, North | kat | | | McElhanon and Voorhoeve (1970) | skin |
| 20896 | Muyu, North | kat | | | Voorhoeve (1975) | |
| 156416 | Muyu, South | kat | | | McElhanon and Voorhoeve (1970) | skin |
| 20936 | Muyu, South | kat | | | Voorhoeve (1975) | |
| 156509 | Nabak | sʌk | | | McElhanon and Voorhoeve (1970) | skin |
| 91607 | Nabak | sək- | (its) skin | | McElhanon (1967) | (its) skin |
| 243629 | Nabi | wiyírk | | | Laycock (1968) | |
| 26120 | Nafri | wa | | | Voorhoeve (1975) | |
| 197817 | Nagatiman | žib̶uʔ | | | Conrad and Dye (1975) | |
| 213982 | Nakai | qɑt̚ | | | Hughes (2009) | |
| 156488 | Nakame | gerʌp | | | McElhanon and Voorhoeve (1970) | skin |
| 121394 | Nake | gara- | | | Z'graggen (1980) | skin |
| 121395 | Nake | fe- | | | Z'graggen (1980) | skin |
| 23494 | Nalca | phok | | | Voorhoeve (1975) | |
| 243652 | Namia | urarə | | | Laycock (1968) | |
| 156466 | Nankina | kʌndʌp | | | McElhanon and Voorhoeve (1970) | skin |
| 156470 | Nankina | gup | | | McElhanon and Voorhoeve (1970) | skin |
| 20412 | Ndom | krikir | | | Voorhoeve (1975) | |
| 260692 | Nedebang | nɛ-'ɛŋwak- | | | Stokhof (1975) | |
| 260693 | Nedebang | nɛ-ɛŋw'aka | | | Stokhof (1975) | |
| 156489 | Nek | gʌlʌp | | | McElhanon and Voorhoeve (1970) | skin |
| 156450 | Nekgini | mat | | | McElhanon and Voorhoeve (1970) | skin |
| 156449 | Neko | mat | | | McElhanon and Voorhoeve (1970) | skin |
| 191590 | Nend | yupir | | | Z'graggen (1980) | skin |
| 156448 | Ngaing | taga | | | McElhanon and Voorhoeve (1970) | skin |
| 20736 | Ngalum | kal | | | Voorhoeve (1975) | |
| 25840 | Nimboran | sub | | | Voorhoeve (1975) | |
| 156491 | Nimi | git | | | McElhanon and Voorhoeve (1970) | skin |
| 156486 | Nimi | kadap | | | McElhanon and Voorhoeve (1970) | skin |
| 198254 | Nimo | abu | | | Conrad and Dye (1975) | |
| 246309 | Nimo | ʔi'nʌ̀ | | | SIL (1963) | |
| 156417 | Ninggerum | kaa | | | McElhanon and Voorhoeve (1970) | skin |
| 20856 | Ninggerum | qaa | | | Voorhoeve (1975) | |
| 243622 | Ningil | fa:wal | | | Laycock (1968) | |
| 121415 | Nobonob | piru- | | | Z'graggen (1980) | skin |
| 121416 | Nobonob | gar̃a- | | | Z'graggen (1980) | skin |
| 156498 | Nomu | sela | | | McElhanon and Voorhoeve (1970) | skin |
| 17249 | Northeast Kiwai (Arigibi Dialect) | tʌⁱmá | | | Wurm (1973) | |
| 31437 | Northeast Kiwai (Gibaio Dialect) | tʌm'má | | | Wurm (1973) | |
| 2944 | Northeast Kiwai (Gope Dialect) | tama | | | Wurm (1973) | |
| 960 | Northeast Kiwai (Urama Dialect) | tama | | | Wurm (1973) | |
| 156494 | Nuk | sʌŋgʌn | | | McElhanon and Voorhoeve (1970) | skin |
| 156454 | Nukna | kʌlʌp | | | McElhanon and Voorhoeve (1970) | skin |
