| 126314 | Yoidik | tuta | | | Z'graggen (1980) | yesterday |
| 7656 | Yimas | ŋarɨŋ | | | Foley (1986) | |
| 198033 | Yetfa | mede | | | Conrad and Dye (1975) | |
| 196791 | Yawiyo (Wosawari Dialect) | auwa | | | Conrad and Dye (1975) | |
| 220935 | Yaweyuha | azo | | | SIL (1965) | |
| 75034 | Yaweyuha | aiyo | | | Scott (1978) | |
| 145085 | Yarawata | inukon | | | Z'graggen (1980) | yesterday |
| 182082 | Yangulam | uyɛr̃ | | | Z'graggen (1980) | yesterday |
| 231963 | Yagaria (Hira Dialect) | 'eǥá | 'eḷá | | SIL (2000) | |
| 75035 | Yagaria | éga | | | Scott (1978) | |
| 182069 | Yabong | abʌŋ | | | Z'graggen (1980) | yesterday |
| 145084 | Yaben | balima | | | Z'graggen (1980) | yesterday |
| 80788 | Wiru | abela | | | Franklin (1975) | |
| 80781 | West Kewa | abala | | | Franklin (1975) | |
| 182079 | Waube | iokɛ | | | Z'graggen (1980) | yesterday |
| 182063 | Watiwa | kwe | | | Z'graggen (1980) | yesterday |
| 145068 | Waskia | ekalako | | | Z'graggen (1980) | yesterday |
| 224351 | Waritai | kɛi^da | | | Clouse (1997) | |
| 145080 | Wanambre | inoŋ | | | Z'graggen (1980) | yesterday |
| 231023 | Wambon | wamin | | | Healey (1970) | |
| 126307 | Wamas | tʰu | | | Z'graggen (1980) | yesterday |
| 196979 | Walio | au | | | Conrad and Dye (1975) | |
| 126325 | Wagi | tume | | | Z'graggen (1980) | yesterday |
| 200836 | Wagi (Silibob Dialect) | tumɛh | | | Spencer et al. (2011) | |
| 200981 | Wagi (Mis Dialect) | tumæh | | | Spencer et al. (2011) | |
| 200697 | Wagi (Kauris Dialect) | tumɛh | | | Spencer et al. (2011) | |
| 200558 | Wagi (Kamba Dialect) | tumɛh | | | Spencer et al. (2011) | |
| 201116 | Wagi (Foran Dialect) | tumɛh | | | Spencer et al. (2011) | |
| 194105 | Wadaginam | nɨmɨt | | | Z'graggen (1980) | yesterday |
| 182078 | Uyajitaya | pioge | | | Z'graggen (1980) | yesterday |
| 216071 | Uyajitaya (Uya Dialect) | fiɛgɛ | | | Lambrecht et al. (2008) | |
| 216995 | Uyajitaya (Udibai Dialect) | fiogɛ | | | Rueck & Jore (2003) | |
| 216875 | Uyajitaya (Subalulu Dialect) | fiogɛ | | | Rueck & Jore (2003) | |
| 216192 | Uyajitaya (Palipa Dialect) | fiɛgɛ | | | Rueck & Jore (2003) | |
| 217193 | Uyajitaya (Gisi Dialect) | fiɛgɛ | | | Rueck & Jore (2003) | |
| 216312 | Uyajitaya (Didiwala Dialect) | fiɛgɛ | | | Rueck & Jore (2003) | |
| 182076 | Uya | oul | | | Z'graggen (1980) | yesterday |
| 126318 | Utu | tu | | | Z'graggen (1980) | yesterday |
| 194100 | Utarmbung | mʉtʉ | | | Z'graggen (1980) | yesterday |
| 145083 | Usan | barim | | | Z'graggen (1980) | yesterday |
| 182074 | Urigina | weyɛŋke | | | Z'graggen (1980) | yesterday |
| 200421 | Uri (Sintogoro Dialect) | kɑp | | | Retsema et al. (2009) | |
| 200335 | Uri (Siara Dialect) | kɑp | | | Retsema et al. (2009) | |
| 230838 | Ura | Mʌɣir̰e | | | SIL (1975) | |
| 228283 | Ura | miǥirɛ | | | SIL (1970) | |
| 228790 | Ura | mɩǥirɛ | | | SIL (1971) | |
| 228976 | Unknown (possibly Konomala) | nʌᵐbuŋ | | | SIL () | |
| 145088 | Ukuriguma | inukwan | | | Z'graggen (1980) | yesterday |
| 217683 | Uare | o'hɔɣṟe | | | SIL (1988) | |
| 239214 | Tok Pisin | asde | yesterday | | Abbott (1985) | |
