| 181530 | Siroi | kitek | | | Z'graggen (1980) | new |
| 82989 | Sirva | kikɨ | | | Daniels (2010) | |
| 30689 | Skou | nàtɔ | | | Voorhoeve (1971) | |
| 213874 | Som | kwarak | | | SIL (1968) | |
| 155605 | Som | kwarak | | | McElhanon and Voorhoeve (1970) | new |
| 91127 | Somba-Siawari (Burum Dialect) | dâlâkŋi | new | | McElhanon (1967) | new |
| 155634 | Somba-Siawari (Burum Dialect) | gbʌlʌ | | | McElhanon and Voorhoeve (1970) | new |
| 91122 | Somba-Siawari (Mindik Dialect) | dâlâkŋi | new | | McElhanon (1967) | new |
| 155635 | Somba-Siawari (Mindik Dialect) | dʌlʌkŋi | | | McElhanon and Voorhoeve (1970) | new |
| 15841 | Sonia | hi | | | Shaw (1986) | |
| 181535 | Sop | oma | | | Z'graggen (1980) | new |
| 155584 | Southern Kiwai (Tureture Dialect) | orio | | | McElhanon and Voorhoeve (1970) | new |
| 2447 | Southern Kiwai (Tureture Dialect) | orio | | | Wurm (1973) | |
| 17391 | Southern Kiwai | orio | | | Wurm (1973) | |
| 155582 | Southern Kiwai | orio | | | McElhanon and Voorhoeve (1970) | new |
| 30856 | Sowanda | nemik | | | Voorhoeve (1971) | |
| 52491 | Suena | seka | new | | Smallhorn (2011) | |
| 181536 | Sumau | oma | | | Z'graggen (1980) | new |
| 27675 | Tabo | uli | | | Reesink (1976) | |
| 245842 | Tabriak | kandaman | | | SIL (1990) | |
| 246010 | Tabriak | kʌndʌmam | | | SIL (1967) | |
| 15737 | Tainae | (avona) hagu' | | | Lloyd (1973) | |
| 73552 | Tairora, North | araaka | | | Scott (1978) | |
| 31378 | Tairora, South | kʌrʌha | | | SIL (1976) | |
| 3188 | Tairuma | áre | | | Brown (1973) | |
| 30377 | Tamagario | wamatap | | | Voorhoeve (1971) | |
| 212103 | Tangko | ɸɑːpˈqɔ | | | Hughes (2009) | |
| 218458 | Tauade | kaiře | kail'e | | SIL (1980) | |
| 220503 | Tause | kaβa-ɾɛ | | | Clouse (1997) | |
| 220350 | Tause | kaβa-ɾe | | | Clouse (1997) | |
| 220502 | Tause (Deirate Dialect) | faᵘ | | | Clouse (1997) | |
| 220349 | Tause (Deirate Dialect) | faᵘ | | | Clouse (1997) | |
| 193794 | Tauya | amoʔo | | | Z'graggen (1980) | new |
| 5122 | Tebera | gɛzi | | | Macdonald (1973) | |
| 28948 | Tebi | tambo | | | Voorhoeve (1971) | |
| 38713 | Teiwa (Deing Dialect) | zib | | | Stokhof (1975) | |
| 38479 | Teiwa (Lebang Dialect) | sib- | | | Stokhof (1975) | |
| 36955 | Teiwa (Madar Dialect) | sib | | | Stokhof (1975) | |
| 36135 | Teiwa (Sargang Dialect) | sib | | | Stokhof (1975) | |
| 78637 | Tidore | sung | | | Pikkert et al (1994) | |
| 155569 | Tifal | aluk-soo | | | McElhanon and Voorhoeve (1970) | new |
| 91125 | Timbe | irakŋe | new | | McElhanon (1967) | new |
| 155638 | Timbe | irak | | | McElhanon and Voorhoeve (1970) | new |
| 4450 | Toaripi (Sepoe Dialect) | áre | | | Brown (1973) | |
| 3811 | Toaripi | áre | | | Brown (1973) | |
| 155636 | Tobo | gbilik-gbilik | | | McElhanon and Voorhoeve (1970) | new |
| 91130 | Tobo | gbilik | new | | McElhanon (1967) | new |
| 30608 | Tofanma | leki | | | Voorhoeve (1971) | |
| 221166 | Tokano | gosohaʔ | | | SIL (1965) | |
| 239225 | Tok Pisin | nupela | new | | Abbott (1985) | |
