| 244162 | Sinagen | ni:pa | | | Laycock (1968) | |
| 258341 | Sinaugoro | ɣau | | | Dutton (1970) | tree |
| 179247 | Sinsauru | a:li | | | Z'graggen (1980) | tree |
| 179254 | Siroi | ail | | | Z'graggen (1980) | tree |
| 83504 | Sirva | tar | | | Daniels (2010) | |
| 23781 | Skou | ri | | | Voorhoeve (1975) | |
| 30709 | Skou | ri | | | Voorhoeve (1971) | |
| 25040 | Sobei | ai | | | Voorhoeve (1975) | |
| 213649 | Som | karʌp | | | SIL (1968) | |
| 91365 | Somba-Siawari (Burum Dialect) | ip | tree | | McElhanon (1967) | tree |
| 91360 | Somba-Siawari (Mindik Dialect) | ip | tree | | McElhanon (1967) | tree |
| 15820 | Sonia | yep | | | Shaw (1986) | |
| 179260 | Sop | au | | | Z'graggen (1980) | tree |
| 2426 | Southern Kiwai (Tureture Dialect) | ota | | | Wurm (1973) | |
| 17370 | Southern Kiwai | ota | | | Wurm (1973) | |
| 19008 | Sowari | ya-yeŋgan | | | Voorhoeve (1975) | |
| 22137 | Suabo | au | | | Voorhoeve (1975) | |
| 55299 | Suena | ni | wood | | Smallhorn (2011) | |
| 28454 | Suena | ni | | | Wilson (1969) | |
| 55300 | Suena (Yema-Yarawe Dialect) | ni[-gome] | leaf | | Smallhorn (2011) | |
| 78843 | Suki | riku | | | Voorhoeve (1970) | |
| 179261 | Sumau | nʌ | | | Z'graggen (1980) | tree |
| 27588 | Tabo | kɛha | | | Reesink (1976) | |
| 1621 | Tabo | ke'ha | | | Wurm (1973) | |
| 245925 | Tabriak | yuwan | | | SIL (1967) | |
| 7763 | Tabriak | yuwan | | | Foley (1986) | |
| 245749 | Tabriak | yuwan | | | SIL (1990) | |
| 19126 | Taikat | di | | | Voorhoeve (1975) | |
| 30311 | Taikat | di | | | Voorhoeve (1971) | |
| 15716 | Tainae | igya | | | Lloyd (1973) | |
| 74674 | Tairora, North | katari | | | Scott (1978) | |
| 31291 | Tairora, South | kiʌtʌri | | | SIL (1976) | |
| 3167 | Tairuma | tola | | | Brown (1973) | |
| 20539 | Tamagario | wom | | | Voorhoeve (1975) | |
| 30403 | Tamagario | wom | | | Voorhoeve (1971) | |
| 27089 | Tanahmerah | o | | | Voorhoeve (1975) | |
| 21656 | Tanahmerah | taya | | | Voorhoeve (1975) | |
| 27090 | Tanahmerah | ono | | | Voorhoeve (1975) | |
| 237133 | Tanggu | gək | | | Foley (2005) | |
| 212005 | Tangko | ʔɑˈɴɔɴ | | | Hughes (2009) | |
| 25160 | Tarpia | kai | | | Voorhoeve (1975) | |
| 218112 | Tauade | eata | | | SIL (1980) | |
| 217294 | Tause | u | | | Clouse (1997) | |
| 217293 | Tause (Deirate Dialect) | utakwo | | | Clouse (1997) | |
| 192484 | Tauya | ʌːmo | | | Z'graggen (1980) | tree |
| 5101 | Tebera | ni | | | Macdonald (1973) | |
| 23409 | Tebi | weyalgi | | | Voorhoeve (1975) | |
| 28974 | Tebi | wejalgi | | | Voorhoeve (1971) | |
| 19977 | Tehit | molom | | | Voorhoeve (1975) | |
| 38656 | Teiwa (Deing Dialect) | tay | | | Stokhof (1975) | |
