| 228728 | Ura | undɩom | | | SIL (1971) | |
| 230776 | Ura | undɩom | | | SIL (1975) | |
| 228221 | Ura | undiom | | | SIL (1970) | |
| 228909 | Unknown (possibly Konomala) | iⁿdʌᵘ | | | SIL () | |
| 228919 | Unknown (possibly Konomala) | 'daU | | | SIL () | |
| 143922 | Ukuriguma | brabraka | | | Z'graggen (1980) | (two) |
| 217515 | Uare | a'heᵘ | | | SIL (1988) | |
| 23662 | Tunggare | amaite | | | Voorhoeve (1975) | |
| 214870 | Tsaukambo | mɔməˈniʔ | | | Hughes (2009) | |
| 19370 | Towei | krana | | | Voorhoeve (1975) | |
| 244631 | Torricelli | wiyeu | | | Laycock (1968) | |
| 239177 | Tok Pisin | tu | two | | Abbott (1985) | |
| 221009 | Tokano | 'sitaʔ | | | SIL (1965) | |
| 30645 | Tofanma | neni | | | Voorhoeve (1971) | |
| 19733 | Tofanma | neni | | | Voorhoeve (1975) | |
| 90570 | Tobo | râhât | two | | McElhanon (1967) | two |
| 25121 | Tobati | ros | | | Voorhoeve (1975) | |
| 3837 | Toaripi | orakoria | | | Brown (1973) | |
| 4476 | Toaripi (Sepoe Dialect) | orakoria | | | Brown (1973) | |
| 90565 | Timbe | lâuwâ | two | | McElhanon (1967) | two |
| 78720 | Tidore | malofo | | | Pikkert et al (1994) | |
| 36097 | Teiwa (Sargang Dialect) | rak | | | Stokhof (1975) | |
| 36917 | Teiwa (Madar Dialect) | rak | | | Stokhof (1975) | |
| 38441 | Teiwa (Lebang Dialect) | rak | | | Stokhof (1975) | |
| 38675 | Teiwa (Deing Dialect) | ral | | | Stokhof (1975) | |
| 21164 | Tehit | la | | | Voorhoeve (1975) | |
| 21165 | Tehit | lauh | | | Voorhoeve (1975) | |
| 23410 | Tebi | kre | | | Voorhoeve (1975) | |
| 28975 | Tebi | kre | | | Voorhoeve (1971) | |
| 5148 | Tebera | dabada damubo | | | Macdonald (1973) | |
| 193456 | Tauya | awi | | | Z'graggen (1980) | two |
| 214640 | Tause (Weirate Dialect) | ɸiɾo | | | Clouse (1997) | |
| 214641 | Tause (Deirate Dialect) | ɸiɾo | | | Clouse (1997) | |
| 214642 | Tause | ɸiɾo | | | Clouse (1997) | |
| 218123 | Tauade | kupal'iai | kupařiai | | SIL (1980) | |
| 25161 | Tarpia | arko | | | Voorhoeve (1975) | |
| 212085 | Tangko | ʔɑⁱɸɔ | | | Hughes (2009) | |
| 237012 | Tanggu | munai | | | Foley (2005) | |
| 24519 | Tandia | arusi | | | Voorhoeve (1975) | |
| 260961 | Tandia | roesi | | | Fabritius (1855) | 2 |
| 21657 | Tanahmerah | wanitabo | | | Voorhoeve (1975) | |
| 26087 | Tanahmerah | bi | | | Voorhoeve (1975) | |
| 20540 | Tamagario | totigi | | | Voorhoeve (1975) | |
| 30404 | Tamagario | totigi | | | Voorhoeve (1971) | |
| 3214 | Tairuma | helakere | | | Brown (1973) | |
| 31303 | Tairora, South | taraku | | | SIL (1976) | |
| 74691 | Tairora, North | taara'anta | | | Scott (1978) | |
| 15763 | Tainae | foya | | | Lloyd (1973) | |
| 245760 | Tabriak | iŋgɨnpay | | | SIL (1990) | |
| 245936 | Tabriak | kʌľipe | | | SIL (1967) | |
