| 237586 | Wogamusin | ed (F) | | | Foley (2005) | |
| 237585 | Wogamusin | a (M) | | | Foley (2005) | |
| 24708 | Woi | ko-isi | | | Voorhoeve (1975) | |
| 25304 | Wolani | naa | | | Voorhoeve (1975) | |
| 7264 | Wolani (Upper Mbijandoga Dialect) | naa | | | Larson & Larson (1972) | |
| 23811 | Wutung | ofa | | | Voorhoeve (1975) | |
| 143890 | Yaben | gawʌːd | | | Z'graggen (1980) | (one) |
| 180918 | Yabong | osʌb | | | Z'graggen (1980) | one |
| 73880 | Yagaria | bogó | | | Scott (1978) | |
| 221488 | Yagaria (Hira Dialect) | bᵊǥoko | | | SIL (2000) | |
| 231946 | Yagaria (Hira Dialect) | bᵊǥoko | | | SIL (2000) | |
| 1567 | Yagwoia | hɨnkwa'na | | | Lloyd (1973) | |
| 22207 | Yahadian | mutu | | | Voorhoeve (1975) | |
| 19887 | Yale, Korsarek | otunohon | | | Voorhoeve (1975) | |
| 33926 | Yale, Korsarek | se'lek | | | Heeschen (1978) | |
| 26971 | Yali, Angguruk | mɩsɩk | | | Bromley (1967) | |
| 19847 | Yali, Pass Valley | sendeik | | | Voorhoeve (1975) | |
| 180933 | Yangulam | alamalam | | | Z'graggen (1980) | one |
| 23022 | Yaqay | kayaqamaere | | | Voorhoeve (1975) | |
| 29151 | Yaqay | kajaga-maere | | | Voorhoeve (1971) | |
| 220391 | Yaqay (Kogo Dialect) | jɑɣɑnd | | | Kriens & Lebold (2010) | |
| 222794 | Yaqay (Kotup Dialect) | dijoɣond | | | Kriens & Lebold (2010) | |
| 222979 | Yaqay (Rayam Dialect) | dihond | | | Kriens & Lebold (2010) | |
| 223176 | Yaqay (Wairu Dialect) | diˈɣɑndʰ | | | Kriens & Lebold (2010) | |
| 223400 | Yaqay (Wanggate Dialect) | xɑjɑɣɑˈmɑh | | | Kriens & Lebold (2010) | |
| 143891 | Yarawata | kasika | | | Z'graggen (1980) | (one) |
| 24548 | Yaur | rebe | | | Voorhoeve (1975) | |
| 260984 | Yaur | ré-bé | | | Fabritius (1855) | 1 |
| 20489 | Yawa | utabo | | | Voorhoeve (1975) | |
| 73879 | Yaweyuha | mako(ko) | | | Scott (1978) | |
| 220899 | Yaweyuha | ma'koko | | | SIL (1965) | |
| 196758 | Yawiyo (Wosawari Dialect) | ařʌsʌbau | | | Conrad and Dye (1975) | |
| 52784 | Yegha (Korafe Dialect) | daba | one | | Smallhorn (2011) | |
| 52783 | Yegha (Korafe Dialect) | daba[ko] | one | | Smallhorn (2011) | |
| 52771 | Yegha (Oukena Dialect) | da[ko] | one | | Smallhorn (2011) | |
| 52772 | Yegha (Yega Dialect) | da[daima] | one | | Smallhorn (2011) | |
| 20812 | Yei | nampei | | | Voorhoeve (1975) | |
| 52752 | Yekora | de[mbaka] | one | | Smallhorn (2011) | |
| 55043 | Yekora | [de]mbaka | one | | Smallhorn (2011) | |
| 26036 | Yelmek | ŋklala | | | Voorhoeve (1975) | |
| 26196 | Yeresiam | geta | | | Voorhoeve (1975) | |
| 260939 | Yeresiam | kéteh | | | Fabritius (1855) | 1 |
| 260927 | Yeretuar | kotim | | | Fabritius (1855) | 1 |
| 24468 | Yeretuar | kotem | | | Voorhoeve (1975) | |
| 237587 | Yessan-Mayo | wurɨ | | | Foley (2005) | |
| 197996 | Yetfa | kɛsa | | | Conrad and Dye (1975) | |
| 23891 | Yetfa | kəsa | | | Voorhoeve (1975) | |
| 164076 | Yimas | mbɛn | | | Davies and Comrie (1985) | one |
| 7628 | Yimas | mba- | | | Foley (1986) | |
| 235322 | Yimas | mpa- | | | Foley (2005) | |
