| 75350 | Oirata | il'hua | | | Taber (1993) | |
| 197525 | Oksapmin (Lower Dialect) | kup | | | Loughnane and Fedden (2011) | |
| 3688 | Omati | dumu | | | Franklin (1973) | |
| 14521 | Ömie | ʔuë|n-e | ashes | | Dutton (2010) | |
| 6013 | Onabasulu | (dewoiya) | | | Shaw (1973) | |
| 16118 | Onabasulu | tefene | | | Shaw (1986) | |
| 91314 | Ono | kau | ashes | | McElhanon (1967) | ashes |
| 159825 | Ono (Karako Dialect) | dzepe | | | McElhanon and Voorhoeve (1970) | ashes |
| 159823 | Ono (Kip Dialect) | yuwit | | | McElhanon and Voorhoeve (1970) | ashes |
| 159841 | Ono (Kip Dialect) | kau | | | McElhanon and Voorhoeve (1970) | ashes |
| 159824 | Ono (Zankoa Dialect) | dzefe | | | McElhanon and Voorhoeve (1970) | ashes |
| 4581 | Opao | ahurae | | | Brown (1973) | |
| 47595 | Orokaiva (Dobuduru Dialect) | amiga | ashes | | Smallhorn (2011) | |
| 47594 | Orokaiva (Dobuduru Dialect) | avinga | ashes | | Smallhorn (2011) | |
| 28138 | Orokaiva (Dobuduru Dialect) | amiga | | | Wilson (1969) | |
| 47596 | Orokaiva (Jegarata-Kakendetta Dialect) | amiga | ashes | | Smallhorn (2011) | |
| 28186 | Orokaiva (Jegarata-Kakendetta Dialect) | amiga | | | Wilson (1969) | |
| 47597 | Orokaiva (Jegasa-Sarau Dialect) | amisa | ashes | | Smallhorn (2011) | |
| 28221 | Orokaiva (Kendata Dialect) | amisa | | | Wilson (1969) | |
| 47598 | Orokaiva (Kendata Dialect) | amisa | ashes | | Smallhorn (2011) | |
| 159857 | Orokaiva (Kendata Dialect) | amisa | | | McElhanon and Voorhoeve (1970) | ashes |
| 159856 | Orokaiva (Sairope Dialect) | aƀisa | | | McElhanon and Voorhoeve (1970) | ashes |
| 28361 | Orokaiva (Sairope Dialect) | aƀisa | | | Wilson (1969) | |
| 47602 | Orokaiva (Sairope Dialect) | aβisa | ashes | | Smallhorn (2011) | |
| 47599 | Orokaiva (Sose Dialect) | amisa | white ash | | Smallhorn (2011) | |
| 4001 | Orokolo (Kaipi Dialect) | afucae | | | Brown (1973) | |
| 4685 | Orokolo | ahurae | | | Brown (1973) | |
| 25773 | Orya | son | | | Voorhoeve (1975) | |
| 232982 | Owiniga | sa maigi | | | SIL (1972) | |
| 246262 | Owiniga | twáře | | | SIL (1963) | |
| 198469 | Owiniga | sakoni | | | Conrad and Dye (1975) | |
| 142715 | Pal | mia | | | Z'graggen (1980) | ash |
| 142710 | Pamosu | fʌ:mu | | | Z'graggen (1980) | (ashes) |
| 123646 | Panim | alas | | | Z'graggen (1980) | ashes |
| 123647 | Panim | walba | | | Z'graggen (1980) | ashes |
| 23159 | Papasena | katei | | | Voorhoeve (1975) | |
| 197301 | Papi | ři sabu | | | Conrad and Dye (1975) | |
| 24605 | Papuma | wavu | | | Voorhoeve (1975) | |
| 142721 | Parawen | wamuri | | | Z'graggen (1980) | (ashes) |
| 142720 | Parawen | kami | | | Z'graggen (1980) | ash |
| 16018 | Pare | ɔwekɔmɔ | | | Shaw (1986) | |
| 2119 | Pare | owekome | | | Shaw (1973) | |
| 159769 | Pare | unɛkamɛ | | | McElhanon and Voorhoeve (1970) | ashes |
| 39 | Pawaia | sidai | | | Trefry (1969) | |
| 5199 | Pawaia | sia džuʔu | | | Macdonald (1973) | |
| 192754 | Paynamar | ipʉn | | | Z'graggen (1980) | ashes |
| 163512 | Pinai-Hagahai (Aramo Dialect) | ˌɲabɤ't͑ɐ | | | Davies and Comrie (1985) | ashes |
| 163526 | Pinai-Hagahai (Nangenuwetan Dialect) | me' sɔ | | | Davies and Comrie (1985) | ashes |
| 163527 | Pinai-Hagahai (Wakadadap Dialect) | ˌɲabɷ'r̥a | | | Davies and Comrie (1985) | ashes |
| 14520 | Proto-Baraic | *tuʔu- | | | Dutton (2010) | |
