| 160186 | Somba-Siawari (Burum Dialect) | kana | | | McElhanon and Voorhoeve (1970) | road |
| 160187 | Somba-Siawari (Mindik Dialect) | kʌna | | | McElhanon and Voorhoeve (1970) | road |
| 91206 | Somba-Siawari (Mindik Dialect) | kâna | road | | McElhanon (1967) | road |
| 160131 | Southern Kiwai (Tureture Dialect) | gabo | | | McElhanon and Voorhoeve (1970) | road |
| 160129 | Southern Kiwai | gabo | | | McElhanon and Voorhoeve (1970) | road |
| 30862 | Sowanda | mna | road/path | | Voorhoeve (1971) | road/path |
| 28415 | Suena | ebata | | | Wilson (1969) | |
| 53350 | Suena | begata | way, road | | Smallhorn (2011) | |
| 55283 | Suena | esa | track, print | | Smallhorn (2011) | |
| 78831 | Suki | rapru | | | Voorhoeve (1970) | |
| 160128 | Suki | napru | | | McElhanon and Voorhoeve (1970) | road |
| 27581 | Tabo | gabo | path | | Reesink (1976) | path |
| 245907 | Tabriak | kʷəŋqaŋ | | | SIL (1967) | |
| 245732 | Tabriak | koŋgoŋ | | | SIL (1990) | |
| 30301 | Taikat | meo | road/path | | Voorhoeve (1971) | road/path |
| 73897 | Tairora, North | aara | path | | Scott (1978) | |
| 31272 | Tairora, South | a'nʌ | | | SIL (1976) | |
| 30384 | Tamagario | kame | road/path | | Voorhoeve (1971) | road/path |
| 218094 | Tauade | bɔřiƀařa | bɔřiƀal'a | | SIL (1980) | |
| 28953 | Tebi | fiaʔa | road/path | | Voorhoeve (1971) | road/path |
| 38715 | Teiwa (Deing Dialect) | w'utir | path | | Stokhof (1975) | |
| 38730 | Teiwa (Deing Dialect) | tɔr | road | | Stokhof (1975) | |
| 38481 | Teiwa (Lebang Dialect) | tɛw'ar | path | | Stokhof (1975) | |
| 36957 | Teiwa (Madar Dialect) | tɔɔr | road | | Stokhof (1975) | |
| 36972 | Teiwa (Madar Dialect) | ʰit'ar | path | | Stokhof (1975) | |
| 36152 | Teiwa (Sargang Dialect) | it'arr | path | | Stokhof (1975) | |
| 36137 | Teiwa (Sargang Dialect) | t'ɔhɔr | road | | Stokhof (1975) | |
| 160117 | Telefol | ileeb | | | McElhanon and Voorhoeve (1970) | road |
| 78776 | Tidore | linga | | | Pikkert et al (1994) | |
| 160116 | Tifal | liib | | | McElhanon and Voorhoeve (1970) | road |
| 160190 | Timbe | dɔp | | | McElhanon and Voorhoeve (1970) | road |
| 91209 | Timbe | dâp | road | | McElhanon (1967) | road |
| 160188 | Tobo | kʌna | | | McElhanon and Voorhoeve (1970) | road |
| 91214 | Tobo | kâna | road | | McElhanon (1967) | road |
| 30613 | Tofanma | meka | road/path | | Voorhoeve (1971) | road/path |
| 220982 | Tokano | aka | | | SIL (1965) | |
| 239149 | Tok Pisin | rot | road | | Abbott (1985) | |
| 214845 | Tsaukambo | hœwi | | | Hughes (2009) | |
| 160165 | Tuma-Irumu (Irumu Dialect) | kandet | | | McElhanon and Voorhoeve (1970) | road |
| 217473 | Uare | 'ibɩ | | | SIL (1988) | |
| 160142 | Ufim | ore | | | McElhanon and Voorhoeve (1970) | road |
| 228872 | Unknown (possibly Konomala) | ŋas | | | SIL () | |
| 230748 | Ura | iska | | | SIL (1975) | |
| 228701 | Ura | mʌɩskʌ | | | SIL (1971) | |
| 228194 | Ura | mʌiskʌ | | | SIL (1970) | |
| 160167 | Uri | kʌdʌpmʌŋ | | | McElhanon and Voorhoeve (1970) | road |
| 200300 | Uri (Siara Dialect) | kʌdʌpmʌŋ | | | Retsema et al. (2009) | |
| 200388 | Uri (Sintogoro Dialect) | kʌdʌpʌŋ | | | Retsema et al. (2009) | |
| 30775 | Usku | tra | road/path | | Voorhoeve (1971) | road/path |
| 216265 | Uyajitaya (Didiwala Dialect) | dʒɑlɑ | | | Rueck & Jore (2003) | |
