| 23490 | Nalca | nhon | | | Voorhoeve (1975) | |
| 237584 | Namia | tipia | | | Foley (2005) | |
| 20408 | Ndom | sas | | | Voorhoeve (1975) | |
| 38792 | Nedebang | n'uku | | | Stokhof (1975) | |
| 200225 | Nek (Goambot Dialect) | noŋgɑn | | | Retsema et al. (2009) | |
| 193434 | Nend | pamug | | | Z'graggen (1980) | one |
| 237311 | Ngala | nək | | | Foley (2005) | |
| 25836 | Nimboran | tendü | | | Voorhoeve (1975) | |
| 198243 | Nimo | siʌesʌ | | | Conrad and Dye (1975) | |
| 246347 | Nimo | 'síyasə | | | SIL (1963) | |
| 20852 | Ninggerum | mwim | | | Voorhoeve (1975) | |
| 125015 | Nobonob | labu | | | Z'graggen (1980) | one |
| 17316 | Northeast Kiwai (Arigibi Dialect) | 'gáʔu | | | Wurm (1973) | |
| 31504 | Northeast Kiwai (Gibaio Dialect) | kʌ'ʔubuo | | | Wurm (1973) | |
| 3011 | Northeast Kiwai (Gope Dialect) | gaʔubuo | | | Wurm (1973) | |
| 1027 | Northeast Kiwai (Urama Dialect) | kaʔumere | | | Wurm (1973) | |
| 199846 | Nuk (Tamben Dialect) | niŋgən | | | Retsema et al. (2009) | |
| 199959 | Nuk (Tunam Dialect) | niŋgɛni | | | Retsema et al. (2009) | |
| 200131 | Numanggang (Kawalang Dialect) | kutniŋ | | | Retsema et al. (2009) | |
| 200055 | Numanggang (Tumung Dialect) | kubugoŋ | | | Retsema et al. (2009) | |
| 214628 | Obokuitai | koɾɛ-kɛkaig̚ | | | Clouse (1997) | |
| 197446 | Odiai | otutu | | | Conrad and Dye (1975) | |
| 16366 | Odoodee (Hesif Dialect) | hɔmakɔna | | | Shaw (1986) | |
| 16266 | Odoodee (Kalamo Dialect) | dihɔ̃ | | | Shaw (1986) | |
| 180927 | Ogea | eteŋa | | | Z'graggen (1980) | one |
| 75403 | Oirata | u'wane | | | Taber (1993) | |
| 3736 | Omati | sakaina | | | Franklin (1973) | |
| 15008 | Ömie | gö | one | | Dutton (2010) | |
| 15007 | Ömie | ge|mu | one | | Dutton (2010) | |
| 6061 | Onabasulu | agale | | | Shaw (1973) | |
| 16166 | Onabasulu | agale | | | Shaw (1986) | |
| 20569 | Onin | sa | | | Voorhoeve (1975) | |
| 90544 | Ono | weku | one | | McElhanon (1967) | one |
| 4629 | Opao | haipori | | | Brown (1973) | |
| 24041 | Ormu | nitye | | | Voorhoeve (1975) | |
| 52763 | Orokaiva (Dobuduru Dialect) | tahe[wo] | one | | Smallhorn (2011) | |
| 52764 | Orokaiva (Jegasa-Sarau Dialect) | taha[wa] | one | | Smallhorn (2011) | |
| 52765 | Orokaiva (Sose Dialect) | tapa | whole | | Smallhorn (2011) | |
| 4049 | Orokolo (Kaipi Dialect) | fareapo | | | Brown (1973) | |
| 4733 | Orokolo | haroapo | | | Brown (1973) | |
| 25796 | Orya | ahaen | | | Voorhoeve (1975) | |
| 214634 | Orya | aha en | | | Clouse (1997) | |
| 233003 | Owiniga | yəvyaro | | | SIL (1972) | |
| 198533 | Owiniga | yʌřu | | | Conrad and Dye (1975) | |
| 246284 | Owiniga | ya'liƀuh | | | SIL (1963) | |
| 143888 | Pal | utʌmʌt | | | Z'graggen (1980) | (one) |
| 143884 | Pamosu | tuku | | | Z'graggen (1980) | (one) |
| 124997 | Panim | holofar | | | Z'graggen (1980) | one |
| 23182 | Papasena | kaite | | | Voorhoeve (1975) | |
| 197361 | Papi | sunuboku | | | Conrad and Dye (1975) | |
