| 47981 | Suena | ni | bird | | Smallhorn (2011) | |
| 22105 | Suabo | durewo | | | Voorhoeve (1975) | |
| 18976 | Sowari | ey | | | Voorhoeve (1975) | |
| 30813 | Sowanda | teafu | | | Voorhoeve (1971) | |
| 19257 | Sowanda | teafu | | | Voorhoeve (1975) | |
| 17375 | Southern Kiwai | wowogo | | | Wurm (1973) | |
| 2431 | Southern Kiwai (Tureture Dialect) | wowogo | | | Wurm (1973) | |
| 177956 | Sop | ay | | | Z'graggen (1980) | bird |
| 15825 | Sonia | ʌbɔ | | | Shaw (1986) | |
| 157425 | Somba-Siawari (Mindik Dialect) | nei | | | McElhanon and Voorhoeve (1970) | bird |
| 91444 | Somba-Siawari (Mindik Dialect) | nei | bird | | McElhanon (1967) | bird |
| 91449 | Somba-Siawari (Burum Dialect) | nei | bird | | McElhanon (1967) | bird |
| 157424 | Somba-Siawari (Burum Dialect) | nei | | | McElhanon and Voorhoeve (1970) | bird |
| 213655 | Som | kʌrokwit | | | SIL (1968) | |
| 25008 | Sobei | maninetio | | | Voorhoeve (1975) | |
| 34205 | Skou | tåå | | | Voorhoeve (1971) | |
| 34206 | Skou | tãŋã | | | Voorhoeve (1971) | |
| 23749 | Skou | tãŋã | | | Voorhoeve (1975) | |
| 82927 | Sirva | kaßa | | x | Daniels (2010) | |
| 177950 | Siroi | omoŋ | | | Z'graggen (1980) | bird |
| 177943 | Sinsauru | yene | | | Z'graggen (1980) | bird |
| 258641 | Sinaugoro | ɣui- | | | Dutton (1970) | bird |
| 244246 | Sinagen | nata | | | Laycock (1968) | |
| 4903 | Simbari | ntaqatɨ | | | Lloyd (1973) | |
| 121728 | Silopi | ay | | | Z'graggen (1980) | bird |
| 244254 | Siliput | hilít | | | Laycock (1968) | |
| 22471 | Silimo (South Ngalik Dialect) | tuwe | | | Voorhoeve (1975) | |
| 26217 | Silimo | sʋe | | | Bromley (1967) | |
| 191745 | Sileibi | kaβa | | | Z'graggen (1980) | bird |
| 217934 | Sikaritai | du | | | Clouse (1997) | |
| 121710 | Sihan | mʌːn | | | Z'graggen (1980) | bird |
| 196445 | Siawi | ʔai | | | Conrad and Dye (1975) | |
| 32640 | Siane (Kovena Dialect) | nama | | | Salisbury (1956) | |
| 72270 | Siane | nêmá | | | Scott (1978) | |
| 32122 | Siane | nema | | | SIL (1987) | |
| 32529 | Siane | nema | | | Salisbury (1956) | |
| 157422 | Sialum | naŋi | | | McElhanon and Voorhoeve (1970) | bird |
| 244237 | Seti | pəlisia | | | Laycock (1968) | |
| 202648 | Setaman (Seltamin Dialect) | ɑon | | | Van Cott and Spencer (2010) | |
| 202792 | Setaman (Ngisokabip Dialect) | ɑon | | | Van Cott and Spencer (2010) | |
| 202907 | Setaman (Baktamin Dialect) | ɔun | | | Van Cott and Spencer (2010) | |
| 244236 | Seta | pəsiapa | | | Laycock (1968) | |
| 228524 | Seta | pɩsapə | | | SIL (2000) | |
| 25490 | Serui-Laut | aya | | | Voorhoeve (1975) | |
| 25528 | Serui-Laut | dipwe | | | Voorhoeve (1975) | |
| 26134 | Sentani | aye | | | Voorhoeve (1975) | |
| 157433 | Sene | naŋo | | | McElhanon and Voorhoeve (1970) | bird |
| 21304 | Sempan | panamo | | | Voorhoeve (1975) | |
| 21584 | Semimi | sai | | | Voorhoeve (1975) | |
| 157428 | Selepet | nɔi | | | McElhanon and Voorhoeve (1970) | bird |
