| 33920 | Yale, Korsarek | si | | | Heeschen (1978) | |
| 26965 | Yali, Angguruk | unuk | | | Bromley (1967) | |
| 19845 | Yali, Pass Valley | nimnya | | | Voorhoeve (1975) | |
| 261174 | Yamben | buɲim | | | Pick (2019) | name |
| 177910 | Yangulam | ñem | | | Z'graggen (1980) | name |
| 29144 | Yaqay | eke | | | Voorhoeve (1971) | |
| 23020 | Yaqay | eke | | | Voorhoeve (1975) | |
| 220468 | Yaqay (Kogo Dialect) | ɛˈkɛ | | | Kriens & Lebold (2010) | |
| 222877 | Yaqay (Kotup Dialect) | ɛˈkɛ | | | Kriens & Lebold (2010) | |
| 223250 | Yaqay (Wairu Dialect) | ɛˈkɛ | | | Kriens & Lebold (2010) | |
| 223470 | Yaqay (Wanggate Dialect) | ɛˈkɛ | | | Kriens & Lebold (2010) | |
| 140907 | Yarawata | unim(a) | | | Z'graggen (1980) | (name) |
| 157905 | Yau (Kumdauron Dialect) | man | | | McElhanon and Voorhoeve (1970) | name |
| 157908 | Yau (Mitmit Dialect) | man | | | McElhanon and Voorhoeve (1970) | name |
| 157909 | Yau (mup Dialect) | man | | | McElhanon and Voorhoeve (1970) | name |
| 157910 | Yau (Sindamon Dialect) | manug | | | McElhanon and Voorhoeve (1970) | name |
| 157906 | Yau (Worin Dialect) | maan | | | McElhanon and Voorhoeve (1970) | name |
| 157907 | Yau (Yawan Dialect) | man | | | McElhanon and Voorhoeve (1970) | name |
| 20487 | Yawa | tam | | | Voorhoeve (1975) | |
| 218675 | Yaweyuha | uľi'ƀa | | | SIL (1965) | |
| 73494 | Yaweyuha | uli(va) | | | Scott (1978) | |
| 52392 | Yegha (Korafe Dialect) | jawo | name | | Smallhorn (2011) | |
| 52393 | Yegha (Korafe Dialect) | 'jaβo | name | | Smallhorn (2011) | |
| 52387 | Yegha (Oukena Dialect) | jawo | name | | Smallhorn (2011) | |
| 52388 | Yegha (Yega Dialect) | jawo | name | | Smallhorn (2011) | |
| 20810 | Yei | ore | | | Voorhoeve (1975) | |
| 52359 | Yekora | ajo | name | | Smallhorn (2011) | |
| 26034 | Yelmek | ŋadöl | | | Voorhoeve (1975) | |
| 121664 | Yoidik | weni- | | | Z'graggen (1980) | name |
| 157876 | Yongkom | aniŋko | | | McElhanon and Voorhoeve (1970) | name |
| 157913 | Yopno (Kewieng Dialect) | maŋ | | | McElhanon and Voorhoeve (1970) | name |
| 157914 | Yopno (Nokopo Dialect) | mai | | | McElhanon and Voorhoeve (1970) | name |
| 52361 | Zia | yajo | name | | Smallhorn (2011) | |
| 157960 | Zia | yadzo | | | McElhanon and Voorhoeve (1970) | name |
| 52362 | Zia (Mawai Dialect) | hajo | name | | Smallhorn (2011) | |
| 31094 | Zimakani | iza | | | Voorhoeve (1970) | |
| 29977 | Zimakani (South Boazi Dialect) | iz | | | Voorhoeve (1970) | |
| 23462 | Zorop | jei | | | Voorhoeve (1975) | |
| 23442 | Zorop | awei | | | Voorhoeve (1975) | |
| 29038 | Zorop | djei | | | Voorhoeve (1971) | |
