| 125653 | Rapting | zu:ro | | | Z'graggen (1980) | new |
| 220347 | Rasawa | inu | | | Clouse (1997) | |
| 220500 | Rasawa | inu | | | Clouse (1997) | |
| 155595 | Rawa | keta | | | McElhanon and Voorhoeve (1970) | new |
| 125666 | Rempi | aweʔ | | | Z'graggen (1980) | new |
| 181543 | Rerau | kumbaɪ | | | Z'graggen (1980) | new |
| 603 | Rumu | woinu | | | Franklin (1973) | |
| 181534 | Saep | apik | | | Z'graggen (1980) | new |
| 16981 | Safeyoka | zanga | | | Lloyd (1973) | |
| 78460 | Sahu | susungi | | | Visser & Voorhoeve (1987) | |
| 215169 | Sam (Buan Dialect) | kɛʔei | | | Rueck & Jore (2003) | |
| 215044 | Sam (Songum Dialect) | keʔei | | | Rueck & Jore (2003) | |
| 215295 | Sam (Wongbe Dialect) | kɛʔei | | | Rueck & Jore (2003) | |
| 181549 | Sam | gisei | | | Z'graggen (1980) | new |
| 81084 | Samberigi | panake | | | Franklin (1975) | |
| 4240 | Samberigi | panakeki | | | Franklin and Voorhoeve (1973) | |
| 5836 | Samo | dwafi | | | Shaw (1973) | |
| 15941 | Samo | dwafi | | | Shaw (1986) | |
| 155576 | Samo | doafi | | | McElhanon and Voorhoeve (1970) | new |
| 125656 | Samosa | vuga | | | Z'graggen (1980) | new |
| 125657 | Samosa | vugakaugu | | | Z'graggen (1980) | new |
| 1342 | Saniyo-Hiyewe | hɛʔiyaʔi | | | Macdonald (1973) | |
| 220346 | Saponi | aɛjɛ | | | Clouse (1997) | |
| 220499 | Saponi | aɛjɛ | | | Clouse (1997) | |
| 125659 | Saruga | azegu | | | Z'graggen (1980) | new |
| 125660 | Saruga | zoi | | | Z'graggen (1980) | new |
| 181525 | Sausi | amogo | | | Z'graggen (1980) | new |
| 75635 | Savosavo | iɰe | | | Wegener (2011) | |
| 30049 | Sawi | xare | | | Voorhoeve (1971) | |
| 91119 | Selepet | âiŋe | new | | McElhanon (1967) | new |
| 155639 | Selepet | irak | | | McElhanon and Voorhoeve (1970) | new |
| 155559 | Sempan | ay | | | McElhanon and Voorhoeve (1970) | new |
| 155646 | Sene | gbereʔ | | | McElhanon and Voorhoeve (1970) | new |
| 202928 | Setaman (Baktamin Dialect) | kikʰis | | | Van Cott and Spencer (2010) | |
| 202669 | Setaman (Seltamin Dialect) | kʰikis | | | Van Cott and Spencer (2010) | |
| 155629 | Sialum | gbali | | | McElhanon and Voorhoeve (1970) | new |
| 73551 | Siane | kófawá | | | Scott (1978) | |
| 32193 | Siane | gohava | | | SIL (1987) | |
| 199508 | Siawi | tʋtʋʔ | | | Conrad and Dye (1975) | |
| 125646 | Sihan | erʌʔ | | | Z'graggen (1980) | new |
| 220362 | Sikaritai | sgad̚ | | | Clouse (1997) | |
| 220515 | Sikaritai | sgad̚ | | | Clouse (1997) | |
| 193780 | Sileibi | kʉndəwᵘ | | | Z'graggen (1980) | new |
| 26907 | Silimo | un | | | Bromley (1967) | |
| 125669 | Silopi | zɔr | | | Z'graggen (1980) | new |
| 125668 | Silopi | eroug | | | Z'graggen (1980) | new |
| 4919 | Simbari | aaya | | | Lloyd (1973) | |
| 259111 | Sinaugoro | variɣu- | | | Dutton (1970) | new (house) |
| 181522 | Sinsauru | omok | | | Z'graggen (1980) | new |
| 181523 | Sinsauru | fwainim | | | Z'graggen (1980) | new |
