| 38422 | Teiwa (Lebang Dialect) | tey | | | Stokhof (1975) | |
| 36898 | Teiwa (Madar Dialect) | tay | | | Stokhof (1975) | |
| 36078 | Teiwa (Sargang Dialect) | tay | | | Stokhof (1975) | |
| 91363 | Timbe | lâwin | tree | | McElhanon (1967) | tree |
| 4429 | Toaripi (Sepoe Dialect) | tola | | | Brown (1973) | |
| 3790 | Toaripi | tola | | | Brown (1973) | |
| 25120 | Tobati | ai | | | Voorhoeve (1975) | |
| 91368 | Tobo | ip | tree | | McElhanon (1967) | tree |
| 30644 | Tofanma | kili | | | Voorhoeve (1971) | |
| 19732 | Tofanma | kili | | | Voorhoeve (1975) | |
| 220998 | Tokano | za | | | SIL (1965) | |
| 239167 | Tok Pisin | diwai | tree | | Abbott (1985) | |
| 244174 | Torricelli | lu | | | Laycock (1968) | |
| 19369 | Towei | wemu | | | Voorhoeve (1975) | |
| 214768 | Tsaukambo | dɔːˈlɯ | | | Hughes (2009) | |
| 23661 | Tunggare | uto-me | | | Voorhoeve (1975) | |
| 217504 | Uare | 'ire | | | SIL (1988) | |
| 258335 | Uare | ire | | | Dutton (1970) | tree |
| 157106 | Ufim | de | | | McElhanon and Voorhoeve (1970) | tree |
| 142234 | Ukuriguma | mur | | | Z'graggen (1980) | tree |
| 228898 | Unknown (possibly Konomala) | waⁱ | | | SIL () | |
| 228210 | Ura | ʌ muŋgʌ | | | SIL (1970) | |
| 230766 | Ura | ŋʌmuga | | | SIL (1975) | |
| 228717 | Ura | ʌ muŋgʌ | | | SIL (1971) | |
| 244175 | Urat | lou | | | Laycock (1968) | |
| 200315 | Uri (Siara Dialect) | fiɾi | | | Retsema et al. (2009) | |
| 200402 | Uri (Sintogoro Dialect) | fɨɾi | | | Retsema et al. (2009) | |
| 179263 | Urigina | nusu | | | Z'graggen (1980) | tree |
| 179262 | Urigina | nau | | | Z'graggen (1980) | tree |
| 244176 | Urim | yo: | | | Laycock (1968) | |
| 142229 | Usan | nʌm | | | Z'graggen (1980) | tree |
| 30795 | Usku | weli | | | Voorhoeve (1971) | |
| 19692 | Usku | weli | | | Voorhoeve (1975) | |
| 192472 | Utarmbung | rʌːɣət- | | | Z'graggen (1980) | tree |
| 123160 | Utu | ɛn | | | Z'graggen (1980) | tree |
| 179265 | Uya | nahap | | | Z'graggen (1980) | tree |
| 216281 | Uyajitaya (Didiwala Dialect) | nɑu | | | Rueck & Jore (2003) | |
| 217162 | Uyajitaya (Gisi Dialect) | nɑgɛ | | | Rueck & Jore (2003) | |
| 216161 | Uyajitaya (Palipa Dialect) | nɑgɛ | | | Rueck & Jore (2003) | |
| 216844 | Uyajitaya (Subalulu Dialect) | nɑu | | | Rueck & Jore (2003) | |
| 216964 | Uyajitaya (Udibai Dialect) | nɑu | | | Rueck & Jore (2003) | |
| 216040 | Uyajitaya (Uya Dialect) | nɑgɛ | | | Lambrecht et al. (2008) | |
| 179267 | Uyajitaya | nau | | | Z'graggen (1980) | tree |
| 19249 | Viid | ti | | | Voorhoeve (1975) | |
| 30164 | Viid | ti | | | Voorhoeve (1971) | |
| 24758 | Wabo | yay | | | Voorhoeve (1975) | |
| 2632 | Waboda | kota | | | Wurm (1973) | |
| 192476 | Wadaginam | ayɨmp | | | Z'graggen (1980) | tree |
| 201079 | Wagi (Foran Dialect) | kɛr | | | Spencer et al. (2011) | |
| 200520 | Wagi (Kamba Dialect) | kɛr | | | Spencer et al. (2011) | |
