| 198271 | Nimo | ti: | | | Conrad and Dye (1975) | |
| 246348 | Nimo | tiĩ | | | SIL (1963) | |
| 20863 | Ninggerum | hadop | | | Voorhoeve (1975) | |
| 244617 | Ningil | wilal | | | Laycock (1968) | |
| 125045 | Nobonob | ar̃is | | | Z'graggen (1980) | two |
| 125046 | Nobonob | aris | | | Z'graggen (1980) | two |
| 17317 | Northeast Kiwai (Arigibi Dialect) | 'nɛ́t:oʌ | | | Wurm (1973) | |
| 31505 | Northeast Kiwai (Gibaio Dialect) | nɛtoʌti: | | | Wurm (1973) | |
| 3012 | Northeast Kiwai (Gope Dialect) | netoʔa | | | Wurm (1973) | |
| 1028 | Northeast Kiwai (Urama Dialect) | netoʔa | | | Wurm (1973) | |
| 199847 | Nuk (Tamben Dialect) | təpɛt | | | Retsema et al. (2009) | |
| 199960 | Nuk (Tunam Dialect) | təpwet | | | Retsema et al. (2009) | |
| 200132 | Numanggang (Kawalang Dialect) | lufo:m | | | Retsema et al. (2009) | |
| 200056 | Numanggang (Tumung Dialect) | lufo:m | | | Retsema et al. (2009) | |
| 214654 | Obokuitai | tio | | | Clouse (1997) | |
| 197467 | Odiai | tinʌnʌ | | | Conrad and Dye (1975) | |
| 16367 | Odoodee (Hesif Dialect) | wɔlugu | | | Shaw (1986) | |
| 16267 | Odoodee (Kalamo Dialect) | hɔma kɔna | | | Shaw (1986) | |
| 180956 | Ogea | ŋanonoŋa | | | Z'graggen (1980) | two |
| 75553 | Oirata | 'ei | | | Taber (1993) | |
| 244611 | Olo | wiŋkes | | | Laycock (1968) | |
| 3737 | Omati | hatarari | | | Franklin (1973) | |
| 14299 | Ömie | nioʔi | two | | Dutton (2010) | |
| 16167 | Onabasulu | aida | | | Shaw (1986) | |
| 6062 | Onabasulu | aganebo | | | Shaw (1973) | |
| 244608 | One, Inebu | plale | | | Laycock (1968) | |
| 21167 | Onin | rua | | | Voorhoeve (1975) | |
| 21166 | Onin | lua | | | Voorhoeve (1975) | |
| 90558 | Ono | etke | two | | McElhanon (1967) | two |
| 4630 | Opao | helaukai | | | Brown (1973) | |
| 24049 | Ormu | rohi | | | Voorhoeve (1975) | |
| 55457 | Orokaiva (Jegasa-Sarau Dialect) | [ene] ehoto [tahawa] | three | | Smallhorn (2011) | |
| 55458 | Orokaiva (Sose Dialect) | [erosa] eto [ũbari] | two born from same stomach | | Smallhorn (2011) | |
| 4050 | Orokolo (Kaipi Dialect) | orale | | | Brown (1973) | |
| 4734 | Orokolo | orahokaila | | | Brown (1973) | |
| 25807 | Orya | dan | | | Voorhoeve (1975) | |
| 214660 | Orya | dandan | | | Clouse (1997) | |
| 246285 | Owiniga | si'máƀi | | | SIL (1963) | |
| 233004 | Owiniga | siməbi | | | SIL (1972) | |
| 198560 | Owiniga | simʌbi | | | Conrad and Dye (1975) | |
| 143916 | Pal | arasa | | | Z'graggen (1980) | (two) |
| 143911 | Pamosu | ilob | | | Z'graggen (1980) | (two) |
| 125026 | Panim | elis | | | Z'graggen (1980) | two |
| 23193 | Papasena | bari | | | Voorhoeve (1975) | |
| 197382 | Papi | suwʌbiyaio | | | Conrad and Dye (1975) | |
| 24639 | Papuma | boru | | | Voorhoeve (1975) | |
| 143921 | Parawen | babarɛkʌ | | | Z'graggen (1980) | (two) |
| 16067 | Pare | diyabɔ | | | Shaw (1986) | |
| 2168 | Pare | diyabo | | | Shaw (1973) | |
| 5248 | Pawaia | naʔau | | | Macdonald (1973) | |
