| 23536 | Una | waliŋ | | | Voorhoeve (1975) | |
| 228873 | Unknown (possibly Konomala) | fʌᵗ | | | SIL () | |
| 228195 | Ura | mʌ dui | | | SIL (1970) | |
| 228702 | Ura | mʌ duɩ | | | SIL (1971) | |
| 230749 | Ura | duɩɣa | | | SIL (1975) | |
| 244010 | Urat | yah | | | Laycock (1968) | |
| 200301 | Uri (Siara Dialect) | uniŋkim | | | Retsema et al. (2009) | |
| 200389 | Uri (Sintogoro Dialect) | gʷunʌgʌm | | | Retsema et al. (2009) | |
| 180185 | Urigina | goimbo | | | Z'graggen (1980) | stone |
| 244011 | Urim | weit | | | Laycock (1968) | |
| 24081 | Uruangnirin | pati | | | Voorhoeve (1975) | |
| 143164 | Usan | nomon | | | Z'graggen (1980) | stone |
| 19688 | Usku | pane | | | Voorhoeve (1975) | |
| 30787 | Usku | pane | | | Voorhoeve (1971) | |
| 193007 | Utarmbung | uyukuyu- | | | Z'graggen (1980) | stone |
| 124178 | Utu | i: | | | Z'graggen (1980) | stone |
| 180187 | Uya | egam | | | Z'graggen (1980) | stone |
| 216266 | Uyajitaya (Didiwala Dialect) | ɑbu | | | Rueck & Jore (2003) | |
| 217143 | Uyajitaya (Gisi Dialect) | ɑmbu | | | Rueck & Jore (2003) | |
| 216146 | Uyajitaya (Palipa Dialect) | ɑmbu | | | Rueck & Jore (2003) | |
| 216829 | Uyajitaya (Subalulu Dialect) | ɑbu | | | Rueck & Jore (2003) | |
| 216949 | Uyajitaya (Udibai Dialect) | ɑmbu | | | Rueck & Jore (2003) | |
| 216026 | Uyajitaya (Uya Dialect) | ɑmbu | | | Lambrecht et al. (2008) | |
| 180189 | Uyajitaya | aːbu | | | Z'graggen (1980) | stone |
| 30155 | Viid | kwondr | | | Voorhoeve (1971) | |
| 19245 | Viid | kwondr | | | Voorhoeve (1975) | |
| 24754 | Wabo | aro-kemei | | | Voorhoeve (1975) | |
| 2625 | Waboda | nokorokopi | | | Wurm (1973) | |
| 193011 | Wadaginam | marɨp | | | Z'graggen (1980) | stone |
| 201064 | Wagi (Foran Dialect) | ɓar | | | Spencer et al. (2011) | |
| 200504 | Wagi (Kamba Dialect) | ɓar | | | Spencer et al. (2011) | |
| 200928 | Wagi (Mis Dialect) | ɓar | | | Spencer et al. (2011) | |
| 200784 | Wagi (Silibob Dialect) | ɓar | | | Spencer et al. (2011) | |
| 124185 | Wagi | bar | | | Z'graggen (1980) | stone |
| 200646 | Wagi | ɓar | | | Spencer et al. (2011) | |
| 27049 | Walak | git [ŋgit] | | | Bromley (1967) | |
| 196966 | Walio | ᵽuboʔ | | | Conrad and Dye (1975) | |
| 124166 | Wamas | ki | | | Z'graggen (1980) | stone |
| 214253 | Wambon | ɢɨɴ | | | Hughes (2009) | |
| 20978 | Wambon | irop | | | Voorhoeve (1975) | |
| 143161 | Wanambre | nɔmɔ | | | Z'graggen (1980) | stone |
| 243998 | Wanap | kipru | | | Laycock (1968) | |
| 24346 | Wandamen | rovuki | | | Voorhoeve (1975) | |
| 211026 | Wanggom | suˈlɑ | | | Hughes (2009) | |
| 23937 | Warembori | bakandaro | | | Voorhoeve (1975) | |
| 19162 | Waris | hon | | | Voorhoeve (1975) | |
| 30972 | Waris | hon | | | Voorhoeve (1971) | |
| 23228 | Waritai | wit | | | Voorhoeve (1975) | |
| 214552 | Waritai | wi^ | | | Clouse (1997) | |
| 25722 | Warkay-Bipim | yaka | | | Voorhoeve (1975) | |
