| 20915 | Muyu, South | anon | | | Voorhoeve (1975) | |
| 20875 | Muyu, North | anom | | | Voorhoeve (1975) | |
| 159889 | Muyu, North | anon | | | McElhanon and Voorhoeve (1970) | dog |
| 141157 | Musar | eman | | | Z'graggen (1980) | dog |
| 191879 | Musak | apʉr | | | Z'graggen (1980) | dog |
| 121970 | Murupi | pʌy | | | Z'graggen (1980) | dog |
| 240650 | Murik (Wagamut Dialect) | ˈdw n | | | Abbott (1985) | |
| 240543 | Murik (Karau Dialect) | ˈdw n | | | Abbott (1985) | |
| 159915 | Muratayak | ʌman | | | McElhanon and Voorhoeve (1970) | dog |
| 121959 | Munit | kwã | | | Z'graggen (1980) | dog |
| 198601 | Mungkip | sap | | | Retsema et al. (2009) | |
| 159956 | Mungkip | sap | | | McElhanon and Voorhoeve (1970) | dog |
| 191870 | Mum | upri | | | Z'graggen (1980) | dog |
| 258589 | Mulaha | aba | | | Dutton (1970) | dog |
| 3386 | Mubami | gaho | | | Franklin (1973) | |
| 27459 | Mubami | gaho | | | Reesink (1976) | |
| 16786 | Mpur | pèr | | | Miedema & Welling (1985) | |
| 20271 | Mpur | per | | | Voorhoeve (1975) | |
| 34697 | Mpur (Kebar Dialect) | pir | | | Miedema & Welling (1985) | |
| 34657 | Mpur (Arfu Dialect) | p(y)èr | | | Miedema & Welling (1985) | |
| 15576 | Mountain Koiari | to | dog | | Dutton (2010) | |
| 258588 | Motu | boroma | | | Dutton (1970) | dog |
| 34617 | Moskona (Merdey Dialect) | mès | | | Miedema & Welling (1985) | |
| 121973 | Mosimo | pʌi | | | Z'graggen (1980) | dog |
| 21469 | Morori | koro | | | Voorhoeve (1975) | |
| 3488 | Morigi | umu | | | Wurm (1973) | |
| 191874 | Moresada | apiʌmp | | | Z'graggen (1980) | dog |
| 32328 | Morawa | va'ai | | | SIL (1973) | |
| 21790 | Mor (Austronesian) | auna | | | Voorhoeve (1975) | |
| 20151 | Moraid | ŋouŋ | | | Voorhoeve (1975) | |
| 25173 | Mor | afuna | | | Voorhoeve (1975) | |
| 22351 | Moni | home | | | Voorhoeve (1975) | |
| 21509 | Momuna | kwoka | | | Voorhoeve (1975) | |
| 21115 | Mombum | ipwi | | | Voorhoeve (1975) | |
| 159975 | Momare | honta | | | McElhanon and Voorhoeve (1970) | dog |
| 20110 | Moi | ofun | | | Voorhoeve (1975) | |
| 141153 | Moere | sofun | | | Z'graggen (1980) | dog |
| 25939 | Mlap | undo | | | Voorhoeve (1975) | |
| 244211 | Minidien | panə | | | Laycock (1968) | |
| 3069 | Minanibai | gahoi | | | Franklin (1973) | |
| 178156 | Migum | ŋgaun | | | Z'graggen (1980) | dog |
| 159974 | Migabac | hoda | | | McElhanon and Voorhoeve (1970) | dog |
| 218228 | Migabac | hoda | | | SIL (1975) | |
| 141150 | Miani | i:bun | | | Z'graggen (1980) | dog |
| 20351 | Meyah | mes | | | Voorhoeve (1975) | |
| 34576 | Meyah (Mumbrani Dialect) | mès | | | Miedema & Welling (1985) | |
| 34536 | Meyah (Miun Dialect) | mèyt | | | Miedema & Welling (1985) | |
| 34496 | Meyah (Etskebi Dialect) | mèt(y) | | | Miedema & Welling (1985) | |
| 34375 | Meyah (Anason Dialect) | mèt | | | Miedema & Welling (1985) | |
| 34335 | Meyah (Akrin Dialect) | mès | | | Miedema & Welling (1985) | |
