| 38730 | Teiwa (Deing Dialect) | tɔr | road | | Stokhof (1975) | |
| 38715 | Teiwa (Deing Dialect) | w'utir | path | | Stokhof (1975) | |
| 28953 | Tebi | fiaʔa | road/path | | Voorhoeve (1971) | road/path |
| 218094 | Tauade | bɔřiƀařa | bɔřiƀal'a | | SIL (1980) | |
| 30384 | Tamagario | kame | road/path | | Voorhoeve (1971) | road/path |
| 31272 | Tairora, South | a'nʌ | | | SIL (1976) | |
| 73897 | Tairora, North | aara | path | | Scott (1978) | |
| 30301 | Taikat | meo | road/path | | Voorhoeve (1971) | road/path |
| 245732 | Tabriak | koŋgoŋ | | | SIL (1990) | |
| 245907 | Tabriak | kʷəŋqaŋ | | | SIL (1967) | |
| 27581 | Tabo | gabo | path | | Reesink (1976) | path |
| 160128 | Suki | napru | | | McElhanon and Voorhoeve (1970) | road |
| 78831 | Suki | rapru | | | Voorhoeve (1970) | |
| 55283 | Suena | esa | track, print | | Smallhorn (2011) | |
| 28415 | Suena | ebata | | | Wilson (1969) | |
| 53350 | Suena | begata | way, road | | Smallhorn (2011) | |
| 30862 | Sowanda | mna | road/path | | Voorhoeve (1971) | road/path |
| 160129 | Southern Kiwai | gabo | | | McElhanon and Voorhoeve (1970) | road |
| 160131 | Southern Kiwai (Tureture Dialect) | gabo | | | 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 |
| 160186 | Somba-Siawari (Burum Dialect) | kana | | | McElhanon and Voorhoeve (1970) | road |
| 91211 | Somba-Siawari (Burum Dialect) | kâna | road | | McElhanon (1967) | road |
| 160154 | Som | kewʌ | | | McElhanon and Voorhoeve (1970) | road |
| 213642 | Som | kewʌ | | | SIL (1968) | |
| 83042 | Sirva | ukɨᵐb | | | Daniels (2010) | |
| 26915 | Silimo | epela | | | Bromley (1967) | |
| 199518 | Siawi | mono | | | Conrad and Dye (1975) | |
| 32632 | Siane (Kovena Dialect) | aka | | | Salisbury (1956) | |
| 32520 | Siane | kanu | | | Salisbury (1956) | |
| 32126 | Siane | kanu | | | SIL (1987) | |
| 73896 | Siane | kánu | path | | Scott (1978) | |
| 160181 | Sialum | dap | | | McElhanon and Voorhoeve (1970) | road |
| 202676 | Setaman (Seltamin Dialect) | deip | | | Van Cott and Spencer (2010) | |
| 202934 | Setaman (Baktamin Dialect) | ɗeip | | | Van Cott and Spencer (2010) | |
| 228529 | Seta | plɛn | | | SIL (2000) | |
| 160112 | Sempan | mawiyafa | | | McElhanon and Voorhoeve (1970) | road |
| 91203 | Selepet | giop | road | | McElhanon (1967) | road |
| 160191 | Selepet | giop | | | McElhanon and Voorhoeve (1970) | road |
| 75688 | Savosavo | keva | | | Wegener (2011) | |
| 160123 | Samo | ari | | | McElhanon and Voorhoeve (1970) | road |
| 215302 | Sam (Wongbe Dialect) | gaman | | | Rueck & Jore (2003) | |
| 215050 | Sam (Songum Dialect) | gaman | | | Rueck & Jore (2003) | |
| 215176 | Sam (Buan Dialect) | gaman | | | Rueck & Jore (2003) | |
| 78244 | Sahu | ngo'omo | | | Visser & Voorhoeve (1987) | |
| 78245 | Sahu | tapaka | | | Visser & Voorhoeve (1987) | |
| 160144 | Rawa | ore | | | McElhanon and Voorhoeve (1970) | road |
| 163386 | Rao | ələdo | | | Davies and Comrie (1985) | road |
| 228588 | Qaget | aⁱska | | | SIL (1985) | |
| 246090 | Qaget | aiskʌ | | | SIL (1971) | |
