| 23411 | Tebi | ai | | | Voorhoeve (1975) | |
| 28979 | Tebi | ai | | | Voorhoeve (1971) | |
| 19979 | Tehit | sem | | | Voorhoeve (1975) | |
| 38646 | Teiwa (Deing Dialect) | jir | | | Stokhof (1975) | |
| 38412 | Teiwa (Lebang Dialect) | yir | | | Stokhof (1975) | |
| 36888 | Teiwa (Madar Dialect) | yir | | | Stokhof (1975) | |
| 260497 | Teiwa (Sargang Dialect) | yir | | | Stokhof (1975) | |
| 260496 | Teiwa (Sargang Dialect) | jir | | | Stokhof (1975) | |
| 260495 | Teiwa (Sargang Dialect) | jɩr | | | Stokhof (1975) | |
| 158460 | Telefol | ok | | | McElhanon and Voorhoeve (1970) | water |
| 78675 | Tidore | ake | | | Pikkert et al (1994) | |
| 158459 | Tifal | ok | | | McElhanon and Voorhoeve (1970) | water |
| 158533 | Timbe | tu | | | McElhanon and Voorhoeve (1970) | water |
| 91223 | Timbe | tu | water | | McElhanon (1967) | water |
| 4420 | Toaripi (Sepoe Dialect) | ma | | | Brown (1973) | |
| 3781 | Toaripi | ma | | | Brown (1973) | |
| 25122 | Tobati | nan | | | Voorhoeve (1975) | |
| 91228 | Tobo | duku | water | | McElhanon (1967) | water |
| 158531 | Tobo | duku | | | McElhanon and Voorhoeve (1970) | water |
| 19734 | Tofanma | basu | | | Voorhoeve (1975) | |
| 30649 | Tofanma | basu | | | Voorhoeve (1971) | |
| 221012 | Tokano | no'sa | | | SIL (1965) | |
| 243926 | Torricelli | wop | | | Laycock (1968) | |
| 19371 | Towei | eye | | | Voorhoeve (1975) | |
| 214793 | Tsaukambo | ʔæʔ | | | Hughes (2009) | |
| 158510 | Tuma-Irumu (Irumu Dialect) | ome | | | McElhanon and Voorhoeve (1970) | water |
| 23663 | Tunggare | mana | | | Voorhoeve (1975) | |
| 217503 | Uare | vu | | | SIL (1988) | |
| 258131 | Uare | ˈvou | | | Dutton (1970) | water |
| 158488 | Ufim | yaŋgo | An. loanʔ | | McElhanon and Voorhoeve (1970) | water |
| 143313 | Ukuriguma | yʌ:g | | | Z'graggen (1980) | (water) |
| 23542 | Una | meye | | | Voorhoeve (1975) | |
| 228897 | Unknown (possibly Konomala) | 'mʌlum | | | SIL () | |
| 230765 | Ura | rigi | | | SIL (1975) | |
| 228716 | Ura | mʌřɩŋgɩ | | | SIL (1971) | |
| 228209 | Ura | mʌřiŋgi | | | SIL (1970) | |
| 243927 | Urat | pənip | | | Laycock (1968) | |
| 158512 | Uri | amʌ | | | McElhanon and Voorhoeve (1970) | water |
| 200314 | Uri (Siara Dialect) | ɑmʌ | | | Retsema et al. (2009) | |
| 200401 | Uri (Sintogoro Dialect) | ɑmɑ | | | Retsema et al. (2009) | |
| 180335 | Urigina | kouyawa | | | Z'graggen (1980) | water |
| 243928 | Urim | huw | | | Laycock (1968) | |
| 24087 | Uruangnirin | were | | | Voorhoeve (1975) | |
| 143308 | Usan | yʌ | | | Z'graggen (1980) | (water) |
| 19694 | Usku | ei | | | Voorhoeve (1975) | |
| 30800 | Usku | ei | | | Voorhoeve (1971) | |
| 193092 | Utarmbung | anɨ- | | | Z'graggen (1980) | water |
| 124345 | Utu | ze | | | Z'graggen (1980) | water |
| 180337 | Uya | ʌsi | | | Z'graggen (1980) | water |
| 216279 | Uyajitaya (Didiwala Dialect) | jɑgɛ | | | Rueck & Jore (2003) | |
