| 30304 | Taikat | pas | | | Voorhoeve (1971) | |
| 245816 | Tabriak | sapunuŋ | | | SIL (1990) | |
| 245984 | Tabriak | sap̶ɩn | | | SIL (1967) | |
| 27575 | Tabo | pɔhɔu | | | Reesink (1976) | |
| 1615 | Tabo | totata | | | Wurm (1973) | |
| 180045 | Sumau | usie | | | Z'graggen (1980) | sand |
| 53510 | Suena | kora | beach | | Smallhorn (2011) | |
| 30866 | Sowanda | eŋgek | | | Voorhoeve (1971) | |
| 155175 | Southern Kiwai | wio | | | McElhanon and Voorhoeve (1970) | sand |
| 17364 | Southern Kiwai | nori | | | Wurm (1973) | |
| 155177 | Southern Kiwai (Tureture Dialect) | wio | | | McElhanon and Voorhoeve (1970) | sand |
| 2420 | Southern Kiwai (Tureture Dialect) | wio | | | Wurm (1973) | |
| 180043 | Sop | usike | | | Z'graggen (1980) | sand |
| 180044 | Sop | wuzi | | | Z'graggen (1980) | sand |
| 91276 | Somba-Siawari (Mindik Dialect) | sakosiŋ | sand | | McElhanon (1967) | sand |
| 155230 | Somba-Siawari (Mindik Dialect) | sakasak | | | McElhanon and Voorhoeve (1970) | sand |
| 155229 | Somba-Siawari (Burum Dialect) | sak | | | McElhanon and Voorhoeve (1970) | sand |
| 91281 | Somba-Siawari (Burum Dialect) | sak | sand | | McElhanon (1967) | sand |
| 155199 | Som | kasirɔk | | | McElhanon and Voorhoeve (1970) | sand |
| 213714 | Som | kásɩrok | | | SIL (1968) | |
| 30696 | Skou | ható | | | Voorhoeve (1971) | |
| 180037 | Siroi | fulbul | | | Z'graggen (1980) | sand |
| 180029 | Sinsauru | osnai | | | Z'graggen (1980) | sand |
| 258198 | Sinaugoro | porara | | | Dutton (1970) | sand |
| 4892 | Simbari | weika | | | Lloyd (1973) | |
| 124015 | Silopi | mai | | | Z'graggen (1980) | sand |
| 26918 | Silimo | ik bi𝛿ik | | | Bromley (1967) | |
| 192934 | Sileibi | kʌ:si | | | Z'graggen (1980) | sand |
| 213843 | Sikaritai | oɾɛta | | | Clouse (1997) | |
| 123998 | Sihan | esiʔ | | | Z'graggen (1980) | sand |
| 199521 | Siawi | nɛbei | | | Conrad and Dye (1975) | |
| 32178 | Siane | getana | | | SIL (1987) | |
| 74082 | Siane | áké | | | Scott (1978) | |
| 155224 | Sialum | sok | | | McElhanon and Voorhoeve (1970) | sand |
| 202679 | Setaman (Seltamin Dialect) | wokʰ niŋniŋ | | | Van Cott and Spencer (2010) | |
| 202801 | Setaman (Ngisokabip Dialect) | wokʰ niŋniŋ | | | Van Cott and Spencer (2010) | |
| 202937 | Setaman (Baktamin Dialect) | wɔk niniŋ | | | Van Cott and Spencer (2010) | |
| 155240 | Sene | mage | | | McElhanon and Voorhoeve (1970) | sand |
| 155151 | Sempan | hini | | | McElhanon and Voorhoeve (1970) | sand |
| 91273 | Selepet | sak | sand | | McElhanon (1967) | sand |
| 155233 | Selepet | sak | | | McElhanon and Voorhoeve (1970) | sand |
| 75621 | Savosavo | nuɰunuɰu | | | Wegener (2011) | |
| 180032 | Sausi | usinei | | | Z'graggen (1980) | sand |
| 180031 | Sausi | vsigri | | | Z'graggen (1980) | sand |
| 124008 | Saruga | ɛsɛla | | | Z'graggen (1980) | sand |
| 213826 | Saponi | kewi-ɾɛ | | | Clouse (1997) | |
| 1315 | Saniyo-Hiyewe | tɛřɛřɛ | | | Macdonald (1973) | |
| 225000 | Saniyo-Hiyewe | 'ɛnɛri | | | Dye et al (1968) | |
| 124006 | Samosa | kisa:rɛ | | | Z'graggen (1980) | sand |
| 5809 | Samo | bobose | | | Shaw (1973) | |
