| 198538 | Owiniga | nɛvɛ | | | Conrad and Dye (1975) | |
| 246291 | Owiniga | sɩgi | | | SIL (1963) | |
| 224647 | Orya | lən | | | Clouse (1997) | |
| 53480 | Orokaiva (Sose Dialect) | ãbe | sago, bread | | Smallhorn (2011) | |
| 53479 | Orokaiva (Para Harava Dialect) | ambe | sago | | Smallhorn (2011) | |
| 53477 | Orokaiva (Jegasa-Sarau Dialect) | ambe | sago | | Smallhorn (2011) | |
| 53476 | Orokaiva (Dobuduru Dialect) | ambe | sago | | Smallhorn (2011) | |
| 53478 | Orokaiva | ambe | sago | | Smallhorn (2011) | |
| 179152 | Ogea | boma | | | Z'graggen (1980) | sago |
| 224643 | Obokuitai | hi | | | Clouse (1997) | |
| 123047 | Nobonob | bom | | | Z'graggen (1980) | sago |
| 198248 | Nimo | ti | | | Conrad and Dye (1975) | |
| 246354 | Nimo | ti | | | SIL (1963) | |
| 190571 | Nend | iŋkʌ | | | Z'graggen (1980) | sago |
| 123035 | Nake | bop | | | Z'graggen (1980) | sago |
| 197812 | Nagatiman | na:gɛʔ | | | Conrad and Dye (1975) | |
| 142113 | Musar | ko:ma | | | Z'graggen (1980) | (sago) |
| 190573 | Musak | ʌye | | | Z'graggen (1980) | sago |
| 123033 | Murupi | bopi | | | Z'graggen (1980) | sago |
| 240722 | Murik (Wagamut Dialect) | ˈdʊřɩn | | | Abbott (1985) | |
| 240634 | Murik (Karau Dialect) | ˈdʊřɩn | | | Abbott (1985) | |
| 123022 | Munit | ama | | | Z'graggen (1980) | sago |
| 190564 | Mum | maβa | | | Z'graggen (1980) | sago |
| 123036 | Mosimo | bobi | | | Z'graggen (1980) | sago |
| 190568 | Moresada | mawʌːmp | | | Z'graggen (1980) | sago |
| 142109 | Moere | ukɛr | | | Z'graggen (1980) | (sago) |
| 179139 | Migum | bom | | | Z'graggen (1980) | sago |
| 142106 | Miani | amar̃ | | | Z'graggen (1980) | (sago) |
| 236850 | Mbore | veak | | | Foley (2005) | |
| 123043 | Mawan | amak | | | Z'graggen (1980) | sago |
| 142111 | Mawak | koma | | | Z'graggen (1980) | (sago) |
| 142107 | Mauwake | emer̃a | | | Z'graggen (1980) | (sago) |
| 123045 | Matepi | bɛr̃iv | | | Z'graggen (1980) | sago |
| 236851 | Marangis | wak | | | Foley (2005) | |
| 201461 | Mandobo Atas (Yonggom Dialect) | dun | | | Voorhoeve (2000) | |
| 231482 | Mandobo Atas (Kwem Dialect) | du | | | Healey (1970) | |
| 201380 | Mandobo Atas | du | | | Voorhoeve (2000) | |
| 231298 | Mandobo Atas | du | | | Healey (1970) | |
| 179158 | Male | bom | | | Z'graggen (1980) | sago |
| 142099 | Malas | pitip | | | Z'graggen (1980) | (sago) |
| 142103 | Mala | namar̃ | | | Z'graggen (1980) | (sago) |
| 221359 | Maiwa | ɛnao | | | SIL (1973) | |
| 142105 | Maia (Saki Dialect) | kamʌr | | | Z'graggen (1980) | (sago) |
| 142104 | Maia (Pila Dialect) | kamar | | | Z'graggen (1980) | (sago) |
| 179141 | Lemio | pomia | | | Z'graggen (1980) | sago |
| 28651 | Kuni-Boazi | dou | | | Voorhoeve (1970) | |
| 28652 | Kuni-Boazi | bɑi̯ta | | | Voorhoeve (1970) | |
| 142110 | Kowaki | ʔoma | | | Z'graggen (1980) | (sago) |
| 142101 | Korak | wit | | | Z'graggen (1980) | (sago) |
| 240528 | Kopar (Singarin Dialect) | ˈmařinün | | | Abbott (1985) | |
