| 179660 | Siroi | pa | | | Z'graggen (1980) | fire |
| 179652 | Sinsauru | fiæ | | | Z'graggen (1980) | fire |
| 179651 | Sinsauru | hegeni | | | Z'graggen (1980) | fire |
| 258289 | Sinaugoro | karava | | | Dutton (1970) | fire |
| 244080 | Sinagen | yakə | | | Laycock (1968) | |
| 4894 | Simbari | ntɨka | | | Lloyd (1973) | |
| 123592 | Silopi | enʌp | | | Z'graggen (1980) | fire |
| 244088 | Siliput | ya | | | Laycock (1968) | |
| 22481 | Silimo (South Ngalik Dialect) | enduk | | | Voorhoeve (1975) | |
| 26239 | Silimo | odʋk | | | Bromley (1967) | |
| 192706 | Sileibi | asɨk | | | Z'graggen (1980) | fire |
| 214454 | Sikaritai | kuɾɛ | | | Clouse (1997) | |
| 24896 | Sikaritai | kwe | | | Voorhoeve (1975) | |
| 123575 | Sihan | dʌ:y | | | Z'graggen (1980) | fire |
| 196463 | Siawi | maǏi | | | Conrad and Dye (1975) | |
| 32625 | Siane (Kovena Dialect) | ro' | | | Salisbury (1956) | |
| 32130 | Siane | iyo | | | SIL (1987) | |
| 72852 | Siane | yǒ | | | Scott (1978) | |
| 32513 | Siane | yo | | | Salisbury (1956) | |
| 157145 | Sialum | dze | | | McElhanon and Voorhoeve (1970) | fire |
| 244071 | Seti | nep | | | Laycock (1968) | |
| 202681 | Setaman (Seltamin Dialect) | wɛŋ | | | Van Cott and Spencer (2010) | |
| 202803 | Setaman (Ngisokabip Dialect) | wɛŋ | | | Van Cott and Spencer (2010) | |
| 202939 | Setaman (Baktamin Dialect) | weŋ | | | Van Cott and Spencer (2010) | |
| 202940 | Setaman (Baktamin Dialect) | eis | | | Van Cott and Spencer (2010) | |
| 244070 | Seta | sakul | | | Laycock (1968) | |
| 228533 | Seta | sakulu | | | SIL (2000) | |
| 25500 | Serui-Laut | adia | | | Voorhoeve (1975) | |
| 26144 | Sentani | i | | | Voorhoeve (1975) | |
| 157162 | Sene | misi | | | McElhanon and Voorhoeve (1970) | fire |
| 21314 | Sempan | yuhamake | | | Voorhoeve (1975) | |
| 157057 | Sempan | yuhamake | | | McElhanon and Voorhoeve (1970) | fire |
| 21594 | Semimi | iboro | | | Voorhoeve (1975) | |
| 157155 | Selepet | kɔlɔp | | | McElhanon and Voorhoeve (1970) | fire |
| 20035 | Seget | yap | | | Voorhoeve (1975) | |
| 21080 | Sawi | yo:d | | | Voorhoeve (1975) | |
| 30024 | Sawi | jood | | | Voorhoeve (1971) | |
| 75686 | Savosavo | keda | | | Wegener (2011) | |
| 179654 | Sausi | ʔebi | | | Z'graggen (1980) | fire |
| 179655 | Sausi | pegeni | | | Z'graggen (1980) | fire |
| 19510 | Sause | nəʔnan | | | Voorhoeve (1975) | |
| 123585 | Saruga | upa | | | Z'graggen (1980) | fire |
| 214435 | Saponi | ta-ɾɛ | | | Clouse (1997) | |
| 1317 | Saniyo-Hiyewe | yɛhɛ | | | Macdonald (1973) | |
| 224751 | Saniyo-Hiyewe | yɛhɛ | | | Dye et al (1968) | |
| 123583 | Samosa | ʌ:re | | | Z'graggen (1980) | fire |
| 5811 | Samo | dolo | | | Shaw (1973) | |
| 15916 | Samo | dɔlɔ | | | Shaw (1986) | |
| 157080 | Samo | dɔrɔ | | | McElhanon and Voorhoeve (1970) | fire |
| 157085 | Samo | dɔrɔ | firewood | | McElhanon and Voorhoeve (1970) | fire |
