| 30520 | Manem | tofŋo | | | Voorhoeve (1971) | |
| 19200 | Manem | tofro | | | Voorhoeve (1975) | |
| 201465 | Mandobo Atas (Yonggom Dialect) | kotae | | | Voorhoeve (2000) | |
| 231525 | Mandobo Atas (Kwem Dialect) | kota | | | Healey (1970) | |
| 231341 | Mandobo Atas | kota | | | Healey (1970) | |
| 25560 | Mandobo Atas | kota | | | Voorhoeve (1975) | |
| 156413 | Mandobo Atas | kota | | | McElhanon and Voorhoeve (1970) | skin |
| 201384 | Mandobo Atas | kotɑ | | | Voorhoeve (2000) | |
| 22822 | Mander | tife | | | Voorhoeve (1975) | |
| 156492 | Ma Manda | git | | | McElhanon and Voorhoeve (1970) | skin |
| 156481 | Mamaa | geʔ | | | McElhanon and Voorhoeve (1970) | skin |
| 233207 | Mali (Makunga Dialect) | kᶺⁿdʌⁿki | | | SIL (1985) | |
| 233105 | Mali (Arambum Dialect) | ŋᶺndᶺŋ | | | SIL (1985) | |
| 177685 | Male | ko | | | Z'graggen (1980) | skin |
| 177686 | Male | todam | | | Z'graggen (1980) | skin |
| 140663 | Mala | ŋar | | | Z'graggen (1980) | (skin) |
| 21210 | Maklew | ase | | | Voorhoeve (1975) | |
| 217792 | Maiwa | koápiwa | Daga - oapinuwa | | SIL (1967) | |
| 221195 | Maiwa | pʰa'pʰunwa | | | SIL (1973) | |
| 21570 | Mairasi | n-aiʔa | | | Voorhoeve (1975) | |
| 86620 | Mailu (Island Dialect) | ʔopi | | | Thomson (1975) | |
| 86346 | Mailu (Ilai Dialect) | ʔopi | | | Thomson (1975) | |
| 87716 | Mailu (Geagea Dialect) | ʔopi | | | Thomson (1975) | |
| 87168 | Mailu (Domara Dialect) | ʔopi | | | Thomson (1975) | |
| 87990 | Mailu (Delebai Dialect) | ʔopi | | | Thomson (1975) | |
| 88264 | Mailu (Darava Dialect) | ʔopi | | | Thomson (1975) | |
| 86894 | Mailu (Borebo Dialect) | ʔopi | | | Thomson (1975) | |
| 87442 | Mailu (Baibara Dialect) | ʔopi | | | Thomson (1975) | |
| 86072 | Mailu (Asiaoro Dialect) | ʔopi | | | Thomson (1975) | |
| 75124 | Mailu | opi | | | Saville (1912) | |
| 20252 | Mai Brat | arak | | | Voorhoeve (1975) | |
| 140665 | Maia (Saki Dialect) | -dia | | | Z'graggen (1980) | (skin) |
| 140664 | Maia (Pila Dialect) | -ndia | | | Z'graggen (1980) | (skin) |
| 257001 | Magɨ | sɨgɨd (dɨb?)* | | | Daniels (2016) | |
| 156447 | Madi | ʌbə | | | McElhanon and Voorhoeve (1970) | skin |
| 177665 | Lemio | ger̃ | | | Z'graggen (1980) | skin |
| 163198 | Lembena (Yariba Dialect) | ja'nɷŋkʰ | | | Davies and Comrie (1985) | skin |
| 163189 | Lembena (Maibi Dialect) | ja'nk͑ | | | Davies and Comrie (1985) | skin |
| 163188 | Lembena | yanungi | | | Davies and Comrie (1985) | skin |
| 76051 | Lavukaleve | keut | skin | | Tryon & Hackman (1983) | |
| 22985 | Lau | iri | | | Voorhoeve (1975) | |
| 163190 | Kyenele (Miyak Dialect) | nᵽɩsakʰ | | | Davies and Comrie (1985) | skin |
| 163183 | Kyenele (Kyaimbarang Dialect) | 'vɨza | | | Davies and Comrie (1985) | skin |
| 163184 | Kyaka | yanenge | | | Davies and Comrie (1985) | skin |
| 243650 | Kwoma | mampə | | | Laycock (1968) | |
| 22902 | Kwesten | tifin | | | Voorhoeve (1975) | |
| 23106 | Kwerisa | a:rlia | | | Voorhoeve (1975) | |
| 22621 | Kwerba (Airmati Dialect) | kora | | | Voorhoeve (1975) | |
| 22537 | Kwerba | koa | | | Voorhoeve (1975) | |
| 156464 | Kutong (Sakam Dialect) | tur | | | McElhanon and Voorhoeve (1970) | skin |
