| 199862 | Nuk (Tamben Dialect) | sɑʁɑt | | | Retsema et al. (2009) | |
| 995 | Northeast Kiwai (Urama Dialect) | bokoboko | | | Wurm (1973) | |
| 2979 | Northeast Kiwai (Gope Dialect) | bokoboko | | | Wurm (1973) | |
| 31472 | Northeast Kiwai (Gibaio Dialect) | bo'gó bo'go | | | Wurm (1973) | |
| 17284 | Northeast Kiwai (Arigibi Dialect) | bo'góbógo | | | Wurm (1973) | |
| 125309 | Nobonob | kapkap | | | Z'graggen (1980) | white |
| 198276 | Nimo | ᵽomuwɔ | | | Conrad and Dye (1975) | |
| 193592 | Nend | okʌm | | | Z'graggen (1980) | white |
| 200240 | Nek (Goambot Dialect) | sɑtnin | | | Retsema et al. (2009) | |
| 38843 | Nedebang | miy'akkα | | | Stokhof (1975) | |
| 244495 | Namia | kom | | | Laycock (1968) | |
| 125295 | Nake | vʌːru | | | Z'graggen (1980) | white |
| 199027 | Nakame (Wasin Dialect) | fɑfɑu | | | Retsema et al. (2009) | |
| 198907 | Nakame (Sokan Dialect) | hɛʁɑtn̩ | | | Retsema et al. (2009) | |
| 198788 | Nakame (Sikalan Dialect) | sagatn̩ | | | Retsema et al. (2009) | |
| 199275 | Nakame (Popof Dialect) | fofɑ | | | Retsema et al. (2009) | |
| 199674 | Nakame (Munguleng Dialect) | fəfɑ· | | | Retsema et al. (2009) | |
| 199758 | Nakame (Gufin Dialect) | fɑfɑ | | | Retsema et al. (2009) | |
| 199147 | Nakame (Dzenzen Dialect) | fɑfɑu | | | Retsema et al. (2009) | |
| 214089 | Nakai | qɑːʝɑq | | | Hughes (2009) | |
| 197838 | Nagatiman | tatiwaʔ | | | Conrad and Dye (1975) | |
| 91061 | Nabak | satnəŋ | white | | McElhanon (1967) | white |
| 144144 | Musar | fua | | | Z'graggen (1980) | (white) |
| 193595 | Musak | mor | | | Z'graggen (1980) | white |
| 125293 | Murupi | wʌːlu | | | Z'graggen (1980) | white |
| 125281 | Munit | pahahika | | | Z'graggen (1980) | white |
| 125280 | Munit | aup | | | Z'graggen (1980) | white |
| 198670 | Mungkip | fəfa· | | | Retsema et al. (2009) | |
| 193583 | Mum | suin | | | Z'graggen (1980) | white |
| 258979 | Mulaha | kuia | | | Dutton (1970) | white |
| 27471 | Mubami | abuogo | | | Reesink (1976) | |
| 15456 | Mountain Koiari | tae|te | white | | Dutton (2010) | |
| 258978 | Motu | kurokuro | | | Dutton (1970) | white |
| 125296 | Mosimo | kiʌgi | | | Z'graggen (1980) | white |
| 3499 | Morigi | kasikasi | | | Wurm (1973) | |
| 193589 | Moresada | wasakəsə- | | | Z'graggen (1980) | white |
| 7315 | Moni (Kemandoga Dialect) | peja | | | Larson & Larson (1972) | |
| 29624 | Molof | sowikana | | | Voorhoeve (1971) | |
| 144140 | Moere | fɔn | | | Z'graggen (1980) | (white) |
| 244479 | Minidien | nahal | | | Laycock (1968) | |
| 3080 | Minanibai | sevia | | | Franklin (1973) | |
| 181184 | Migum | kʌo | | | Z'graggen (1980) | white |
| 218355 | Migabac | latacne | | | SIL (1975) | |
| 218339 | Migabac | koŋac | | | SIL (1975) | |
| 144137 | Miani | waya | | | Z'graggen (1980) | (white) |
| 197040 | Mian | nama | | | Loughnane and Fedden (2011) | |
| 91050 | Mesem | sagatṇ | white | | McElhanon (1967) | white |
| 4811 | Menya | qapaaiqa | | | Lloyd (1973) | |
| 244494 | Mende | afiša | | | Laycock (1968) | |
| 283 | Mena | saƀia | | | Franklin (1973) | |
