| 20097 | Riantana | ndua | | | Voorhoeve (1975) | |
| 157180 | Riantana | ndör | | | McElhanon and Voorhoeve (1970) | tree |
| 24394 | Roon | ai | | | Voorhoeve (1975) | |
| 641 | Rumu | i | | | Franklin (1973) | |
| 179259 | Saep | wi | | | Z'graggen (1980) | tree |
| 16960 | Safeyoka | iya | | | Lloyd (1973) | |
| 215192 | Sam (Buan Dialect) | wam | | | Rueck & Jore (2003) | |
| 215066 | Sam (Songum Dialect) | wam | | | Rueck & Jore (2003) | |
| 215319 | Sam (Wongbe Dialect) | wam | | | Rueck & Jore (2003) | |
| 179275 | Sam | wʌm | | | Z'graggen (1980) | tree |
| 80846 | Samberigi | ti | | | Franklin (1975) | |
| 4219 | Samberigi | ti | | | Franklin and Voorhoeve (1973) | |
| 5815 | Samo | home | | | Shaw (1973) | |
| 15920 | Samo | hɔmãnẽ | | | Shaw (1986) | |
| 123150 | Samosa | kaimo | | | Z'graggen (1980) | tree |
| 224807 | Saniyo-Hiyewe | me | | | Dye et al (1968) | |
| 1321 | Saniyo-Hiyewe | mɛ | | | Macdonald (1973) | |
| 217290 | Saponi | kuɾɛ | | | Clouse (1997) | |
| 123152 | Saruga | aima | | | Z'graggen (1980) | tree |
| 19532 | Sause | eüsü | | | Voorhoeve (1975) | |
| 179249 | Sausi | tiri | | | Z'graggen (1980) | tree |
| 21102 | Sawi | toxo:d | | | Voorhoeve (1975) | |
| 30074 | Sawi | toxo:d | | | Voorhoeve (1971) | |
| 20057 | Seget | bua | | | Voorhoeve (1975) | |
| 91357 | Selepet | nak | tree | | McElhanon (1967) | tree |
| 21616 | Semimi | u | | | Voorhoeve (1975) | |
| 21336 | Sempan | oho | | | Voorhoeve (1975) | |
| 26166 | Sentani | no | | | Voorhoeve (1975) | |
| 25522 | Serui-Laut | ai | | | Voorhoeve (1975) | |
| 25530 | Serui-Laut | aiferab | | | Voorhoeve (1975) | |
| 228548 | Seta | si | | | SIL (2000) | |
| 244152 | Seta | si | | | Laycock (1968) | |
| 202952 | Setaman (Baktamin Dialect) | eis | | | Van Cott and Spencer (2010) | |
| 202815 | Setaman (Ngisokabip Dialect) | eis | | | Van Cott and Spencer (2010) | |
| 202693 | Setaman (Seltamin Dialect) | eis | | | Van Cott and Spencer (2010) | |
| 244153 | Seti | səno | | | Laycock (1968) | |
| 32521 | Siane | ya | | | Salisbury (1956) | |
| 32143 | Siane | ya | | | SIL (1987) | |
| 74673 | Siane | yá | | | Scott (1978) | |
| 32633 | Siane (Kovena Dialect) | ja | | | Salisbury (1956) | |
| 199537 | Siawi | ameʔ | | | Conrad and Dye (1975) | |
| 123142 | Sihan | nʌi | | | Z'graggen (1980) | tree |
| 217307 | Sikaritai | kug̚ | | | Clouse (1997) | |
| 24918 | Sikaritai | sari | | | Voorhoeve (1975) | |
| 192470 | Sileibi | tar | | | Z'graggen (1980) | tree |
| 26938 | Silimo | e | wood | | Bromley (1967) | tree (wood) |
| 22503 | Silimo (South Ngalik Dialect) | bene | | | Voorhoeve (1975) | |
| 244170 | Siliput | lou | | | Laycock (1968) | |
| 123159 | Silopi | ɛn | | | Z'graggen (1980) | tree |
| 4898 | Simbari | ika | | | Lloyd (1973) | |
