| 156993 | Nekgini | tatu | | | McElhanon and Voorhoeve (1970) | star |
| 156992 | Neko | poiŋ | | | McElhanon and Voorhoeve (1970) | star |
| 193032 | Nend | tɨwʌg | | | Z'graggen (1980) | star |
| 156991 | Ngaing | boiŋ | | | McElhanon and Voorhoeve (1970) | star |
| 157022 | Nimi | saunak | | | McElhanon and Voorhoeve (1970) | star |
| 198260 | Nimo | amᶗ | | | Conrad and Dye (1975) | |
| 246334 | Nimo | ʔamo | | | SIL (1963) | |
| 156967 | Ninggerum | min | | | McElhanon and Voorhoeve (1970) | star |
| 243830 | Ningil | nəfrei | | | Laycock (1968) | |
| 124218 | Nobonob | hor̃bay | | | Z'graggen (1980) | star |
| 157033 | Nomu | sɛrɛkin | | | McElhanon and Voorhoeve (1970) | star |
| 17257 | Northeast Kiwai (Arigibi Dialect) | go'gávɛ | | | Wurm (1973) | |
| 31445 | Northeast Kiwai (Gibaio Dialect) | 'píʔu | | | Wurm (1973) | |
| 3024 | Northeast Kiwai (Gope Dialect) | io | | | Wurm (1973) | |
| 2952 | Northeast Kiwai (Gope Dialect) | oro | | | Wurm (1973) | |
| 968 | Northeast Kiwai (Urama Dialect) | pi:u | | | Wurm (1973) | |
| 157027 | Nuk | dzʌmaraŋgʌn | | | McElhanon and Voorhoeve (1970) | star |
| 199830 | Nuk (Tamben Dialect) | dzɨmɑɾɑŋgə | | | Retsema et al. (2009) | |
| 199941 | Nuk (Tunam Dialect) | dɑmɨlɑidzɨ | | | Retsema et al. (2009) | |
| 156997 | Nukna | hituŋ | | | McElhanon and Voorhoeve (1970) | star |
| 156998 | Nukna (Hamelengan Dialect) | hituŋ | | | McElhanon and Voorhoeve (1970) | star |
| 157024 | Numanggang | sina tarama | | | McElhanon and Voorhoeve (1970) | star |
| 200120 | Numanggang (Kawalang Dialect) | tilɑmɑ | | | Retsema et al. (2009) | |
| 200043 | Numanggang (Tumung Dialect) | bɑmholiŋe | | | Retsema et al. (2009) | |
| 217024 | Obokuitai | takahu | | | Clouse (1997) | |
| 198072 | Odiai | tetib̶i | | | Conrad and Dye (1975) | |
| 16307 | Odoodee (Hesif Dialect) | gĩwɔ̃ | | | Shaw (1986) | |
| 16207 | Odoodee (Kalamo Dialect) | giwɔ̃ | | | Shaw (1986) | |
| 180221 | Ogea | barʌsigi | | | Z'graggen (1980) | star |
| 75559 | Oirata | hihi'naxa | | | Taber (1993) | |
| 243824 | Olo | tauru | | | Laycock (1968) | |
| 3677 | Omati | ku'ini | | | Franklin (1973) | |
| 14842 | Ömie | jij-e | star | | Dutton (2010) | |
| 16107 | Onabasulu | sigabi | | | Shaw (1986) | |
| 6002 | Onabasulu | (sigabe) | | | Shaw (1973) | |
| 243821 | One, Inebu | tosoila | | | Laycock (1968) | |
| 90810 | Ono | serekiŋ | star | | McElhanon (1967) | star |
| 157031 | Ono (Kip Dialect) | sɛrɛkin | | | McElhanon and Voorhoeve (1970) | star |
| 4570 | Opao | kou | | | Brown (1973) | |
| 54483 | Orokaiva | hujara | star | | Smallhorn (2011) | |
| 54441 | Orokaiva (Dobuduru Dialect) | tamana | star | | Smallhorn (2011) | |
| 54480 | Orokaiva (Dobuduru Dialect) | hunjara | star | | Smallhorn (2011) | |
| 28147 | Orokaiva (Dobuduru Dialect) | tamana | | | Wilson (1969) | |
| 54481 | Orokaiva (Jegarata-Kakendetta Dialect) | hujara | star | | Smallhorn (2011) | |
| 28195 | Orokaiva (Jegarata-Kakendetta Dialect) | huzara | | | Wilson (1969) | |
| 54442 | Orokaiva (Jegasa-Sarau Dialect) | tarama | star | | Smallhorn (2011) | |
| 54482 | Orokaiva (Jegasa-Sarau Dialect) | hunjara | star | | Smallhorn (2011) | |
| 54443 | Orokaiva (Kendata Dialect) | tarama | star | | Smallhorn (2011) | |
| 28230 | Orokaiva (Kendata Dialect) | tarama | | | Wilson (1969) | |
| 54484 | Orokaiva (Para Harava Dialect) | hujara | star | | Smallhorn (2011) | |
