| 122126 | Mosimo | waru:ge | | | Z'graggen (1980) | fish |
| 3493 | Morigi | na | | | Wurm (1973) | |
| 191957 | Moresada | tigeːp | | | Z'graggen (1980) | fish |
| 29570 | Molof | feuti | | | Voorhoeve (1971) | |
| 141293 | Moere | mɛra | | | Z'graggen (1980) | (fish) |
| 178301 | Migum | sieb | | | Z'graggen (1980) | fish |
| 218308 | Migabac | kiweck sicg | | | SIL (1975) | |
| 141290 | Miani | war | | | Z'graggen (1980) | (fish) |
| 197034 | Mian | aniŋ | | | Loughnane and Fedden (2011) | |
| 4805 | Menya | hamapaka | | | Lloyd (1973) | |
| 277 | Mena | məị | | | Franklin (1973) | |
| 76327 | Mbilua (Ndovele Dialect) | ñuñu | fish | | Tryon & Hackman (1983) | |
| 76513 | Mbilua | ñuñu | fish | | Tryon & Hackman (1983) | |
| 76806 | Mbaniata (Lokuru Dialect) | īɣana | fish | | Tryon & Hackman (1983) | |
| 77083 | Mbaniata | īɣana | fish | | Tryon & Hackman (1983) | |
| 77794 | Maybrat | sa | | | Dol (2007) | |
| 122134 | Mawan | mariga | | | Z'graggen (1980) | fish |
| 141295 | Mawak | kʌnʌ | | | Z'graggen (1980) | (fish) |
| 141291 | Mauwake | mɛra | | | Z'graggen (1980) | (fish) |
| 122136 | Matepi | silav | | | Z'graggen (1980) | fish |
| 258713 | Maria | ˈoruˈʔari | | | Dutton (1970) | fish |
| 258711 | Maria (Uderi Dialect) | ˈoruˈari | | | Dutton (1970) | fish |
| 258709 | Maria (Maranomu Dialect) | ˈuena | | | Dutton (1970) | fish |
| 258707 | Maria (Maiagolo Dialect) | ˈoruˈari | | | Dutton (1970) | fish |
| 29486 | Manem | wo | | | Voorhoeve (1971) | |
| 201435 | Mandobo Atas (Yonggom Dialect) | rɑkɑe | | | Voorhoeve (2000) | |
| 231580 | Mandobo Atas (Kwem Dialect) | oroka | | | Healey (1970) | |
| 201349 | Mandobo Atas | rokɑ | | | Voorhoeve (2000) | |
| 231397 | Mandobo Atas | rokoa | | | Healey (1970) | |
| 233267 | Mali (Makunga Dialect) | ařinʌmka | | | SIL (1985) | |
| 233268 | Mali (Makunga Dialect) | slik | | | SIL (1985) | |
| 233163 | Mali (Arambum Dialect) | řinᶺm | | | SIL (1985) | |
| 178320 | Male | umam | | | Z'graggen (1980) | fish |
| 141283 | Malas | kitu | | | Z'graggen (1980) | (fish) |
| 141287 | Mala | ŋʌli | | | Z'graggen (1980) | (fish) |
| 36309 | Makasae | 'afi (O) ahi | | | Stokhof (1975) | |
| 221271 | Maiwa | gwam'búi | | | SIL (1973) | |
| 86680 | Mailu (Island Dialect) | ʔorebe | | | Thomson (1975) | |
| 86406 | Mailu (Ilai Dialect) | ʔorebe | | | Thomson (1975) | |
| 87776 | Mailu (Geagea Dialect) | ʔorebe | | | Thomson (1975) | |
| 87228 | Mailu (Domara Dialect) | ʔorebe | | | Thomson (1975) | |
| 88050 | Mailu (Delebai Dialect) | ʔorebe | | | Thomson (1975) | |
| 88324 | Mailu (Darava Dialect) | ʔorebe | | | Thomson (1975) | |
| 86954 | Mailu (Borebo Dialect) | ʔorebe | | | Thomson (1975) | |
| 87502 | Mailu (Baibara Dialect) | ʔorebe | | | Thomson (1975) | |
| 86132 | Mailu (Asiaoro Dialect) | ʔorebe | | | Thomson (1975) | |
| 75193 | Mailu | orebe | | | Saville (1912) | |
| 141289 | Maia (Saki Dialect) | gabuib | | | Z'graggen (1980) | (fish) |
| 141288 | Maia (Pila Dialect) | ŋawʌr | | | Z'graggen (1980) | (fish) |
| 256985 | Magɨ | kyaŋɨ | | | Daniels (2016) | |
