| 30884 | Sowanda | moŋgoir | | | Voorhoeve (1971) | |
| 17416 | Southern Kiwai | nau | | | Wurm (1973) | |
| 2472 | Southern Kiwai (Tureture Dialect) | nau | | | Wurm (1973) | |
| 180921 | Sop | guranata | | | Z'graggen (1980) | one |
| 15866 | Sonia | itidi | | | Shaw (1986) | |
| 90548 | Somba-Siawari (Mindik Dialect) | mokuŋ | one | | McElhanon (1967) | one |
| 90553 | Somba-Siawari (Burum Dialect) | mohot | one | | McElhanon (1967) | one |
| 213700 | Som | kobeʌg̶ʌn | | | SIL (1968) | |
| 23771 | Skou | ali | | | Voorhoeve (1975) | |
| 30711 | Skou | alì | | | Voorhoeve (1971) | |
| 180915 | Siroi | ndindo | | | Z'graggen (1980) | one |
| 180907 | Sinsauru | atine | | | Z'graggen (1980) | one |
| 260247 | Sinaugoro | tebona | | | Dutton (1970) | one |
| 4944 | Simbari | pɨrɨ'mɨna | | | Lloyd (1973) | |
| 125009 | Silopi | ozɛgɛn | | | Z'graggen (1980) | one |
| 22493 | Silimo (South Ngalik Dialect) | ambui | | | Voorhoeve (1975) | |
| 26911 | Silimo | mesik | | | Bromley (1967) | |
| 193426 | Sileibi | mususʌ | | | Z'graggen (1980) | one |
| 24908 | Sikaritai | kaike | | | Voorhoeve (1975) | |
| 214630 | Sikaritai | k̚gig̚ | | | Clouse (1997) | |
| 124991 | Sihan | oraʔit | | | Z'graggen (1980) | one |
| 199515 | Siawi | sʌmo | | | Conrad and Dye (1975) | |
| 32166 | Siane | lago | | | SIL (1987) | |
| 73877 | Siane | láwo(ko) | | | Scott (1978) | |
| 202968 | Setaman (Baktamin Dialect) | mɑgop | | | Van Cott and Spencer (2010) | |
| 25512 | Serui-Laut | bosiri | | | Voorhoeve (1975) | |
| 260878 | Serui-Laut | bo-iri | | | Fabritius (1855) | 1 |
| 26156 | Sentani | əmbai | | | Voorhoeve (1975) | |
| 21326 | Sempan | tawahe | | | Voorhoeve (1975) | |
| 21606 | Semimi | tana | | | Voorhoeve (1975) | |
| 90545 | Selepet | konok | one | | McElhanon (1967) | one |
| 20047 | Seget | məre | | | Voorhoeve (1975) | |
| 30053 | Sawi | paidəra:p | | | Voorhoeve (1971) | |
| 21092 | Sawi | paidəra:p | | | Voorhoeve (1975) | |
| 75604 | Savosavo | ela | | | Wegener (2011) | |
| 75605 | Savosavo | pade | | | Wegener (2011) | |
| 180909 | Sausi | ʌdrai | | | Z'graggen (1980) | one |
| 19522 | Sause | noʔbo | | | Voorhoeve (1975) | |
| 125002 | Saruga | nunugata | | | Z'graggen (1980) | one |
| 214611 | Saponi | kiɾi-pɛ-jɛ | | | Clouse (1997) | |
| 1367 | Saniyo-Hiyewe | taʔi | | | Macdonald (1973) | |
| 224851 | Saniyo-Hiyewe | hɛta'i | | | Dye et al (1968) | |
| 125000 | Samosa | noːtate | | | Z'graggen (1980) | one |
| 5861 | Samo | helenu | | | Shaw (1973) | |
| 15966 | Samo | helenũ | | | Shaw (1986) | |
| 4265 | Samberigi | homeke | | | Franklin and Voorhoeve (1973) | |
| 22657 | Samarokena | oha | | | Voorhoeve (1975) | |
| 180937 | Sam | kuji | | | Z'graggen (1980) | one |
| 215332 | Sam (Wongbe Dialect) | kud͡ʒɛʔ | | | Rueck & Jore (2003) | |
| 215079 | Sam (Songum Dialect) | kud͡ʒe | | | Rueck & Jore (2003) | |
