| 26147 | Sentani | kani | | | Voorhoeve (1975) | |
| 25503 | Serui-Laut | kakofa | | | Voorhoeve (1975) | |
| 243946 | Seta | pe:ki | | | Laycock (1968) | |
| 243947 | Seti | pe:ki | | | Laycock (1968) | |
| 32515 | Siane | mika | | | Salisbury (1956) | |
| 32627 | Siane (Kovena Dialect) | mikesumbo | | | Salisbury (1956) | |
| 123777 | Sihan | mi:r | | | Z'graggen (1980) | ground |
| 24899 | Sikaritai | oije | | | Voorhoeve (1975) | |
| 192814 | Sileibi | uː | | | Z'graggen (1980) | ground |
| 22484 | Silimo (South Ngalik Dialect) | wonaŋ | | | Voorhoeve (1975) | |
| 243964 | Siliput | syap | | | Laycock (1968) | |
| 123795 | Silopi | ʔeβ | | | Z'graggen (1980) | ground |
| 4890 | Simbari | kwaaka | | | Lloyd (1973) | |
| 243956 | Sinagen | waya | | | Laycock (1968) | |
| 258172 | Sinaugoro | tano | | | Dutton (1970) | ground |
| 179829 | Sinsauru | ɛgɛrɛ | | | Z'graggen (1980) | ground |
| 179838 | Siroi | kike | | | Z'graggen (1980) | ground |
| 23762 | Skou | fito | | | Voorhoeve (1975) | |
| 15812 | Sonia | heni | | | Shaw (1986) | |
| 179844 | Sop | ob | | | Z'graggen (1980) | ground |
| 179845 | Sop | ɔbsum | | | Z'graggen (1980) | ground |
| 2418 | Southern Kiwai (Tureture Dialect) | hopu | | | Wurm (1973) | |
| 17362 | Southern Kiwai | duriomoro | | | Wurm (1973) | |
| 19270 | Sowanda | betoya | | | Voorhoeve (1975) | |
| 18989 | Sowari | kawpere | | | Voorhoeve (1975) | |
| 22118 | Suabo | bodo | | | Voorhoeve (1975) | |
| 179846 | Sumau | oːw | | | Z'graggen (1980) | ground |
| 260727 | Tabo | hopu | | | Reesink (1976) | |
| 1613 | Tabo | hopu | | | Wurm (1973) | |
| 260726 | Tabo | aka | | | Reesink (1976) | |
| 235551 | Tabriak | anti | | | Foley (2005) | |
| 236221 | Tabriak | anti | | | Foley (2005) | |
| 19107 | Taikat | ma | | | Voorhoeve (1975) | |
| 15708 | Tainae | 'uragura | | | Lloyd (1973) | |
| 3159 | Tairuma | mea | | | Brown (1973) | |
| 20520 | Tamagario | mep | | | Voorhoeve (1975) | |
| 26067 | Tanahmerah | kani | | | Voorhoeve (1975) | |
| 21637 | Tanahmerah | kenate | | | Voorhoeve (1975) | |
| 237190 | Tanggu | nduv | | | Foley (2005) | |
| 192829 | Tauya | mala | | | Z'graggen (1980) | ground |
| 192828 | Tauya | oʔosi | | | Z'graggen (1980) | ground |
| 5093 | Tebera | hai | | | Macdonald (1973) | |
| 23390 | Tebi | tede | | | Voorhoeve (1975) | |
| 19958 | Tehit | vombi | | | Voorhoeve (1975) | |
| 38706 | Teiwa (Deing Dialect) | mux | | | Stokhof (1975) | |
| 38472 | Teiwa (Lebang Dialect) | məh'ʌʔ | | | Stokhof (1975) | |
| 36948 | Teiwa (Madar Dialect) | mɔh'ɔʔ | | | Stokhof (1975) | |
| 36128 | Teiwa (Sargang Dialect) | mɔh'ɔʔ | | | Stokhof (1975) | |
| 4421 | Toaripi (Sepoe Dialect) | mea | | | Brown (1973) | |
| 3782 | Toaripi | mea | | | Brown (1973) | |
