| 263015 | Suabo | úwo | /umo/ | | de Vries (2024) | road |
| 160147 | Yau (Kumdauron Dialect) | uyap | | | McElhanon and Voorhoeve (1970) | road |
| 35548 | Blagar (Apuri On Pura Dialect) | v'iyα | path | | Stokhof (1975) | |
| 160152 | Yau (Sindamon Dialect) | weap | | | McElhanon and Voorhoeve (1970) | road |
| 37309 | Blagar (Retta On Pura Dialect) | w'iyag- | path | | Stokhof (1975) | |
| 36840 | Blagar (Limarahing On Pura Dialect) | w'iyα | path | | Stokhof (1975) | |
| 37543 | Blagar (Terewent Dialect) | w'iyα | path | | Stokhof (1975) | |
| 38715 | Teiwa (Deing Dialect) | w'utir | path | | Stokhof (1975) | |
| 29245 | Kayagar | xami | road/path | | Voorhoeve (1971) | road/path |
| 163390 | Lembena (Yariba Dialect) | xa'se | | | Davies and Comrie (1985) | road |
| 163391 | Lembena (Yariba Dialect) | xa't̮ɕe | | | Davies and Comrie (1985) | road |
| 244786 | Burui | yaʔambu | | | SIL (1962) | |
| 256923 | Burui | yaʔambu | | | SIL (1962) | |
| 160136 | Muratayak | yam | | | McElhanon and Voorhoeve (1970) | road |
| 245463 | Gaikundi | yambɨ | | | SIL (1991) | |
| 160134 | Yaqay | yandoao | | | McElhanon and Voorhoeve (1970) | road |
| 160198 | Mape (Naga Dialect) | yape | | | McElhanon and Voorhoeve (1970) | road |
| 163392 | Yimas | yaw | | | Davies and Comrie (1985) | road |
| 36255 | Kui | yɛ | path | | Stokhof (1975) | |
| 38364 | Kamang (Letley Dialect) | y'ebα | path | | Stokhof (1975) | |
| 160196 | Migabac | yefe | | | McElhanon and Voorhoeve (1970) | road |
| 35669 | Wersing | y'ɛlɛ | path | | Stokhof (1975) | |
| 202347 | Iatmul (Korogo Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 202079 | Iatmul (Tambanam Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 202484 | Iatmul (Brugnowi Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 202218 | Iatmul (Kanganaman Dialect) | yɛmpaw | | | Staalsen (1969) | |
| 238358 | Bikaru | yəřo | | | SIL (1983) | |
| 238348 | Bikaru | yəto | | | SIL (1983) | |
| 36020 | Kamang | yey | path | | Stokhof (1975) | |
| 163369 | Alamblak | yɨ'ǥotʸoǥatʰ | | | Davies and Comrie (1985) | road |
| 38833 | Nedebang | y'iyα | path | | Stokhof (1975) | |
| 238242 | Berinomo | yo | | | SIL () | |
| 262551 | Bisorio | yodo | | | Franklin (2024) | road |
| 262552 | Bisorio (Iniai Dialect) | yodo | | | Franklin (2024) | road |
| 163373 | Bisorio | yoḍo | | | Davies and Comrie (1985) | road |
| 160197 | Kâte (Wâmora Dialect) | yɔfɔ | | | McElhanon and Voorhoeve (1970) | road |
| 240227 | Angoram (Kambrindo Dialect) | ˈyoge | | | Abbott (1985) | |
| 160114 | Muyu, North | yontom | | | McElhanon and Voorhoeve (1970) | road |
| 262553 | Pikaru | yoto | | | Franklin (2024) | road |
| 38129 | Western Pantar (Kalondama Dialect) | yα | path | | Stokhof (1975) | |
| 37895 | Western Pantar (Biangwala Dialect) | yα | path | | Stokhof (1975) | |
