| 52319 | Orokaiva (Sose Dialect) | pe | space | | Smallhorn (2011) | |
| 28344 | Orokaiva (Sairope Dialect) | pe | | | Wilson (1969) | |
| 155550 | Orokaiva (Sairope Dialect) | pe | | | McElhanon and Voorhoeve (1970) | mouth |
| 52324 | Orokaiva (Sairope Dialect) | pe | mouth | | Smallhorn (2011) | |
| 52317 | Orokaiva (Para Harava Dialect) | pe | mouth | | Smallhorn (2011) | |
| 28204 | Orokaiva (Kendata Dialect) | pe | | | Wilson (1969) | |
| 52315 | Orokaiva (Kendata Dialect) | pe | mouth | | Smallhorn (2011) | |
| 52314 | Orokaiva (Jegasa-Sarau Dialect) | be | mouth | | Smallhorn (2011) | |
| 28166 | Orokaiva (Jegarata-Kakendetta Dialect) | pe | | | Wilson (1969) | |
| 155551 | Orokaiva (Jegarata-Kakendetta Dialect) | pe | | | McElhanon and Voorhoeve (1970) | mouth |
| 52313 | Orokaiva (Jegarata-Kakendetta Dialect) | pe | mouth | | Smallhorn (2011) | |
| 28121 | Orokaiva (Dobuduru Dialect) | pe | | | Wilson (1969) | |
| 52312 | Orokaiva (Dobuduru Dialect) | pe | mouth | | Smallhorn (2011) | |
| 52311 | Orokaiva (Dobuduru Dialect) | be | mouth | | Smallhorn (2011) | |
| 52316 | Orokaiva | pe | mouth | | Smallhorn (2011) | |
| 4556 | Opao | ape | | | Brown (1973) | |
| 155528 | Ono (Kip Dialect) | aŋa | | | McElhanon and Voorhoeve (1970) | mouth |
| 5988 | Onabasulu | (mofaio) | | | Shaw (1973) | |
| 16093 | Onabasulu | mɔfeyɔ̃ | | | Shaw (1986) | |
| 3663 | Omati | kobo | | | Franklin (1973) | |
| 75503 | Oirata | 'oʔo | | | Taber (1993) | |
| 176701 | Ogea | mʌ- haula | | | Z'graggen (1980) | mouth |
| 16193 | Odoodee (Kalamo Dialect) | mɔ̃gɔlɔ | | | Shaw (1986) | |
| 16293 | Odoodee (Hesif Dialect) | mɔgɔlɔ | | | Shaw (1986) | |
| 197436 | Odiai | ʌtʌigʌ | | | Conrad and Dye (1975) | |
| 212753 | Obokuitai | a-kwɛ | | | Clouse (1997) | |
| 199990 | Numanggang (Tumung Dialect) | mɑŋiŋ | | | Retsema et al. (2009) | |
| 200070 | Numanggang (Kawalang Dialect) | mɑniŋ | | | Retsema et al. (2009) | |
| 155521 | Numanggang | maŋ | | | McElhanon and Voorhoeve (1970) | mouth |
| 155522 | Numanggang | ma | | | McElhanon and Voorhoeve (1970) | mouth |
| 155496 | Nukna (Hamelengan Dialect) | miluwʌ | | | McElhanon and Voorhoeve (1970) | mouth |
| 155495 | Nukna | miluwʌ | | | McElhanon and Voorhoeve (1970) | mouth |
| 199879 | Nuk (Tunam Dialect) | mɑŋgɑ | | | Retsema et al. (2009) | |
| 199767 | Nuk (Tamben Dialect) | mɛn | | | Retsema et al. (2009) | |
| 155525 | Nuk | mɛ | | | McElhanon and Voorhoeve (1970) | mouth |
| 954 | Northeast Kiwai (Urama Dialect) | puʔo | | | Wurm (1973) | |
| 2938 | Northeast Kiwai (Gope Dialect) | puʔo | | | Wurm (1973) | |
| 31431 | Northeast Kiwai (Gibaio Dialect) | 'má:t:ʌ | | | Wurm (1973) | |
| 17243 | Northeast Kiwai (Arigibi Dialect) | 'pú·ʔɔ | | | Wurm (1973) | |
| 120368 | Nobonob | or̃ɛ | | | Z'graggen (1980) | mouth |
| 155463 | Ninggerum | miŋatem | | | McElhanon and Voorhoeve (1970) | mouth |
| 198233 | Nimo | itabɔ | | | Conrad and Dye (1975) | |
| 246304 | Nimo | itabɔ | | | SIL (1963) | |
| 155519 | Nimi | mɛ | | | McElhanon and Voorhoeve (1970) | mouth |
| 155489 | Ngaing | magok | | | McElhanon and Voorhoeve (1970) | mouth |
| 190555 | Nend | karupr | | | Z'graggen (1980) | mouth |
| 155490 | Neko | mak | | | McElhanon and Voorhoeve (1970) | mouth |
| 155491 | Nekgini | mak | | | McElhanon and Voorhoeve (1970) | mouth |
| 200144 | Nek (Goambot Dialect) | mən | | | Retsema et al. (2009) | |
| 155524 | Nek | mɛ | | | McElhanon and Voorhoeve (1970) | mouth |
