| 230766 | Ura | ŋʌmuga | | | SIL (1975) | |
| 228898 | Unknown (possibly Konomala) | waⁱ | | | SIL () | |
| 142234 | Ukuriguma | mur | | | Z'graggen (1980) | tree |
| 157106 | Ufim | de | | | McElhanon and Voorhoeve (1970) | tree |
| 217504 | Uare | 'ire | | | SIL (1988) | |
| 258335 | Uare | ire | | | Dutton (1970) | tree |
| 23661 | Tunggare | uto-me | | | Voorhoeve (1975) | |
| 214768 | Tsaukambo | dɔːˈlɯ | | | Hughes (2009) | |
| 19369 | Towei | wemu | | | Voorhoeve (1975) | |
| 244174 | Torricelli | lu | | | Laycock (1968) | |
| 239167 | Tok Pisin | diwai | tree | | Abbott (1985) | |
| 220998 | Tokano | za | | | SIL (1965) | |
| 30644 | Tofanma | kili | | | Voorhoeve (1971) | |
| 19732 | Tofanma | kili | | | Voorhoeve (1975) | |
| 91368 | Tobo | ip | tree | | McElhanon (1967) | tree |
| 25120 | Tobati | ai | | | Voorhoeve (1975) | |
| 3790 | Toaripi | tola | | | Brown (1973) | |
| 4429 | Toaripi (Sepoe Dialect) | tola | | | Brown (1973) | |
| 91363 | Timbe | lâwin | tree | | McElhanon (1967) | tree |
| 36078 | Teiwa (Sargang Dialect) | tay | | | Stokhof (1975) | |
| 36898 | Teiwa (Madar Dialect) | tay | | | Stokhof (1975) | |
| 38422 | Teiwa (Lebang Dialect) | tey | | | Stokhof (1975) | |
| 38656 | Teiwa (Deing Dialect) | tay | | | Stokhof (1975) | |
| 19977 | Tehit | molom | | | Voorhoeve (1975) | |
| 28974 | Tebi | wejalgi | | | Voorhoeve (1971) | |
| 23409 | Tebi | weyalgi | | | Voorhoeve (1975) | |
| 5101 | Tebera | ni | | | Macdonald (1973) | |
| 192484 | Tauya | ʌːmo | | | Z'graggen (1980) | tree |
| 217293 | Tause (Deirate Dialect) | utakwo | | | Clouse (1997) | |
| 217294 | Tause | u | | | Clouse (1997) | |
| 218112 | Tauade | eata | | | SIL (1980) | |
| 25160 | Tarpia | kai | | | Voorhoeve (1975) | |
| 212005 | Tangko | ʔɑˈɴɔɴ | | | Hughes (2009) | |
| 237133 | Tanggu | gək | | | Foley (2005) | |
| 27090 | Tanahmerah | ono | | | Voorhoeve (1975) | |
| 21656 | Tanahmerah | taya | | | Voorhoeve (1975) | |
| 27089 | Tanahmerah | o | | | Voorhoeve (1975) | |
| 20539 | Tamagario | wom | | | Voorhoeve (1975) | |
| 30403 | Tamagario | wom | | | Voorhoeve (1971) | |
| 3167 | Tairuma | tola | | | Brown (1973) | |
| 31291 | Tairora, South | kiʌtʌri | | | SIL (1976) | |
| 74674 | Tairora, North | katari | | | Scott (1978) | |
| 15716 | Tainae | igya | | | Lloyd (1973) | |
| 19126 | Taikat | di | | | Voorhoeve (1975) | |
| 30311 | Taikat | di | | | Voorhoeve (1971) | |
| 245925 | Tabriak | yuwan | | | SIL (1967) | |
| 245749 | Tabriak | yuwan | | | SIL (1990) | |
| 7763 | Tabriak | yuwan | | | Foley (1986) | |
| 1621 | Tabo | ke'ha | | | Wurm (1973) | |
| 27588 | Tabo | kɛha | | | Reesink (1976) | |
