| 177055 | Ogea | tɛburu- | | | Z'graggen (1980) | elbow |
| 213138 | Obokuitai | a-kug̚ | | | Clouse (1997) | |
| 120749 | Nobonob | higne- | | | Z'graggen (1980) | elbow |
| 120748 | Nobonob | hokane- | | | Z'graggen (1980) | elbow |
| 198203 | Nimo | nʌtu | | | Conrad and Dye (1975) | |
| 191242 | Nend | esa | | | Z'graggen (1980) | elbow |
| 120736 | Nake | osa | | | Z'graggen (1980) | elbow |
| 213973 | Nakai | ˈbɑɴɢup | | | Hughes (2009) | |
| 197767 | Nagatiman | tʌb̶ʌskʌᵽuʔ | | | Conrad and Dye (1975) | |
| 140054 | Musar | tukumaŋ | | | Z'graggen (1980) | elbow |
| 191245 | Musak | koːgay | | | Z'graggen (1980) | elbow |
| 191244 | Musak | keːnu | | | Z'graggen (1980) | elbow |
| 120734 | Murupi | suna- | | | Z'graggen (1980) | elbow |
| 120720 | Munit | ames g | | | Z'graggen (1980) | elbow |
| 191235 | Mum | ŋgiŋgu | | | Z'graggen (1980) | elbow |
| 257714 | Mulaha | agi | | | Dutton (1970) | elbow |
| 257713 | Mulaha | komo | | | Dutton (1970) | elbow |
| 257712 | Motu | diu- | | | Dutton (1970) | elbow |
| 120737 | Mosimo | suna:li | | | Z'graggen (1980) | elbow |
| 191239 | Moresada | -gombudəm | | | Z'graggen (1980) | elbow |
| 32370 | Morawa | engibi'a | | | SIL (1973) | |
| 140050 | Moere | moka | | | Z'graggen (1980) | elbow |
| 177042 | Migum | bʌkuŋ | | | Z'graggen (1980) | elbow |
| 218274 | Migabac | itaruc | | | SIL (1975) | |
| 140047 | Miani | mwarikot | | | Z'graggen (1980) | elbow |
| 120744 | Mawan | gumi | | | Z'graggen (1980) | elbow |
| 140052 | Mawak | tumab | | | Z'graggen (1980) | elbow |
| 140048 | Mauwake | uma | | | Z'graggen (1980) | elbow |
| 120746 | Matepi | guzezi | | | Z'graggen (1980) | elbow |
| 257710 | Maria | ˈana ˈgeduna | | | Dutton (1970) | elbow |
| 257708 | Maria (Uderi Dialect) | ˈtiu | | | Dutton (1970) | elbow |
| 257706 | Maria (Maranomu Dialect) | ˈvana gedu | | | Dutton (1970) | elbow |
| 257704 | Maria (Maiagolo Dialect) | ˈana ˈgore | | | Dutton (1970) | elbow |
| 201430 | Mandobo Atas (Yonggom Dialect) | wi-gɑbin | | | Voorhoeve (2000) | |
| 231627 | Mandobo Atas (Kwem Dialect) | i gobün | | | Healey (1970) | |
| 201344 | Mandobo Atas | i-gɑbun | | | Voorhoeve (2000) | |
| 231443 | Mandobo Atas | i gobün | | | Healey (1970) | |
| 177063 | Male | tombol | | | Z'graggen (1980) | elbow |
| 140037 | Malas | urir | | | Z'graggen (1980) | elbow |
| 140036 | Malas | kumu | | | Z'graggen (1980) | elbow |
| 140044 | Mala | -makur | | | Z'graggen (1980) | elbow |
| 140043 | Mala | okon | | | Z'graggen (1980) | elbow |
| 221240 | Maiwa | kʰo'niwa | | | SIL (1973) | |
| 217838 | Maiwa | nani koniwa | | | SIL (1967) | |
| 86606 | Mailu (Island Dialect) | igusu | | | Thomson (1975) | |
| 86332 | Mailu (Ilai Dialect) | igusu | | | Thomson (1975) | |
| 87702 | Mailu (Geagea Dialect) | igusu | | | Thomson (1975) | |
| 87154 | Mailu (Domara Dialect) | gegeto | | | Thomson (1975) | |
| 87976 | Mailu (Delebai Dialect) | ʔeʔuta | | | Thomson (1975) | |
| 88250 | Mailu (Darava Dialect) | igusu | | | Thomson (1975) | |
