| 76079 | Lavukaleve | tau | arm | | Tryon & Hackman (1983) | |
| 177015 | Lemio | wampi | | | Z'graggen (1980) | arm |
| 160324 | Madi | atyl | | | McElhanon and Voorhoeve (1970) | arm |
| 140013 | Maia (Pila Dialect) | -omo | | | Z'graggen (1980) | arm |
| 140012 | Maia (Pila Dialect) | -mey | | | Z'graggen (1980) | arm |
| 140014 | Maia (Saki Dialect) | -eme | | | Z'graggen (1980) | arm |
| 140015 | Maia (Saki Dialect) | -wabo | | | Z'graggen (1980) | arm |
| 20224 | Mai Brat | atem | arm | | Voorhoeve (1975) | arm |
| 86057 | Mailu (Asiaoro Dialect) | ima | arm | | Thomson (1975) | arm |
| 87427 | Mailu (Baibara Dialect) | ima | arm | | Thomson (1975) | arm |
| 86879 | Mailu (Borebo Dialect) | ima | arm | | Thomson (1975) | arm |
| 88249 | Mailu (Darava Dialect) | ima | arm | | Thomson (1975) | arm |
| 87975 | Mailu (Delebai Dialect) | ima | arm | | Thomson (1975) | arm |
| 87153 | Mailu (Domara Dialect) | ima | arm | | Thomson (1975) | arm |
| 87701 | Mailu (Geagea Dialect) | ima | arm | | Thomson (1975) | arm |
| 86331 | Mailu (Ilai Dialect) | ima | arm | | Thomson (1975) | arm |
| 86605 | Mailu (Island Dialect) | ima | arm | | Thomson (1975) | arm |
| 21542 | Mairasi | n-erova | arm | | Voorhoeve (1975) | arm |
| 21182 | Maklew | bo:l | arm | | Voorhoeve (1975) | arm |
| 140011 | Mala | -ba | | | Z'graggen (1980) | arm |
| 140007 | Malas | imben | | | Z'graggen (1980) | arm |
| 177032 | Male | bʌr̃ | | | Z'graggen (1980) | arm |
| 160345 | Mamaa | kafe | | | McElhanon and Voorhoeve (1970) | arm |
| 160350 | Ma Manda | kel | | | McElhanon and Voorhoeve (1970) | arm |
| 22794 | Mander | tafa | arm | | Voorhoeve (1975) | arm |
| 201314 | Mandobo Atas | it | | | Voorhoeve (2000) | |
| 160271 | Mandobo Atas | it | | | McElhanon and Voorhoeve (1970) | arm |
| 25532 | Mandobo Atas | it | arm | | Voorhoeve (1975) | arm |
| 201403 | Mandobo Atas (Yonggom Dialect) | wit | | | Voorhoeve (2000) | |
| 19172 | Manem | kaŋkŋa | arm | | Voorhoeve (1975) | arm |
| 261231 | Manep | imben | | | Pick (2019) | arm |
| 20424 | Manikion | apsera | arm | | Voorhoeve (1975) | arm |
| 160382 | Mape (East Dialect) | me | | | McElhanon and Voorhoeve (1970) | arm |
| 160380 | Mape (Naga Dialect) | me | | | McElhanon and Voorhoeve (1970) | arm |
| 160381 | Mape (West Dialect) | me | | | McElhanon and Voorhoeve (1970) | arm |
| 24844 | Marau | waraŋ | arm | | Voorhoeve (1975) | arm |
| 257691 | Maria (Maiagolo Dialect) | ˈana | | | Dutton (1970) | arm |
| 257693 | Maria (Maranomu Dialect) | ˈvana | | | Dutton (1970) | arm |
| 257695 | Maria (Uderi Dialect) | ˈana | | | Dutton (1970) | arm |
| 257697 | Maria | ˈana | | | Dutton (1970) | arm |
| 22304 | Marind | sa:ŋga | arm | | Voorhoeve (1975) | arm |
| 160318 | Marind (Gawir Dialect) | saŋga | | | McElhanon and Voorhoeve (1970) | arm |
| 21903 | Marind, Bian | seŋga | arm | | Voorhoeve (1975) | arm |
| 120714 | Matepi | levu- | | | Z'graggen (1980) | arm |
| 140017 | Mauwake | wapena | | | Z'graggen (1980) | arm |
| 140021 | Mawak | ape | | | Z'graggen (1980) | arm |
| 120712 | Mawan | deβu- | | | Z'graggen (1980) | arm |
| 25732 | Mawes | etau | arm | | Voorhoeve (1975) | arm |
| 76905 | Mbaniata | naōmbi | arm | | Tryon & Hackman (1983) | |
| 76813 | Mbaniata (Lokuru Dialect) | ɔmbi | arm | | Tryon & Hackman (1983) | |
