| 19280 | Sowanda | ogtse | | | Voorhoeve (1975) | |
| 178423 | Sop | daway | | | Z'graggen (1980) | pig |
| 15814 | Sonia | kɛ | | | Shaw (1986) | |
| 218032 | Som | sok(ʌ)í | | | SIL (1968) | |
| 25031 | Sobei | pado | | | Voorhoeve (1975) | |
| 23772 | Skou | pale | | | Voorhoeve (1975) | |
| 30726 | Skou | pálɛ | | | Voorhoeve (1971) | |
| 178417 | Siroi | mbo | | | Z'graggen (1980) | pig |
| 178410 | Sinsauru | bo | | | Z'graggen (1980) | pig |
| 258603 | Sinaugoro | ɣiɣu- | | | Dutton (1970) | pig |
| 122262 | Silopi | bo | | | Z'graggen (1980) | pig |
| 22494 | Silimo (South Ngalik Dialect) | wam | | | Voorhoeve (1975) | |
| 26956 | Silimo | wam | | | Bromley (1967) | |
| 192017 | Sileibi | samba | | | Z'graggen (1980) | pig |
| 218908 | Sikaritai | dik̚ | | | Clouse (1997) | |
| 122245 | Sihan | ho | | | Z'graggen (1980) | pig |
| 199516 | Siawi | kinʌdiʔ | | | Conrad and Dye (1975) | |
| 32639 | Siane (Kovena Dialect) | idje | | | Salisbury (1956) | |
| 73927 | Siane | yafó | | | Scott (1978) | |
| 32528 | Siane | yafo | | | Salisbury (1956) | |
| 32170 | Siane | iaho | | | SIL (1987) | |
| 202650 | Setaman (Seltamin Dialect) | kʰoŋ | | | Van Cott and Spencer (2010) | |
| 202794 | Setaman (Ngisokabip Dialect) | kʰoŋ | | | Van Cott and Spencer (2010) | |
| 202909 | Setaman (Baktamin Dialect) | kwoŋ | | | Van Cott and Spencer (2010) | |
| 25513 | Serui-Laut | tafui | | | Voorhoeve (1975) | |
| 26157 | Sentani | obo | | | Voorhoeve (1975) | |
| 21327 | Sempan | ofo | | | Voorhoeve (1975) | |
| 21607 | Semimi | pembe | | | Voorhoeve (1975) | |
| 20048 | Seget | mon | | | Voorhoeve (1975) | |
| 30090 | Sawi | tui | | | Voorhoeve (1971) | |
| 21093 | Sawi | tui | | | Voorhoeve (1975) | |
| 178412 | Sausi | usu | | | Z'graggen (1980) | pig |
| 19523 | Sause | dzüfi | | | Voorhoeve (1975) | |
| 122255 | Saruga | bo | | | Z'graggen (1980) | pig |
| 218889 | Saponi | kwɛɾɛ | | | Clouse (1997) | |
| 224946 | Saniyo-Hiyewe | fe | | | Dye et al (1968) | |
| 122253 | Samosa | bo | | | Z'graggen (1980) | pig |
| 15914 | Samo | bɔyɔ | | | Shaw (1986) | |
| 80685 | Samberigi | mænæ | | | Franklin (1975) | |
| 22658 | Samarokena | matena | | | Voorhoeve (1975) | |
| 178437 | Sam | bol | | | Z'graggen (1980) | pig |
| 215277 | Sam (Wongbe Dialect) | bol | | | Rueck & Jore (2003) | |
| 215026 | Sam (Songum Dialect) | bᵘol | | | Rueck & Jore (2003) | |
| 215151 | Sam (Buan Dialect) | bol | | | Rueck & Jore (2003) | |
| 178422 | Saep | bo | | | Z'graggen (1980) | pig |
| 24385 | Roon | wen | | | Voorhoeve (1975) | |
| 20088 | Riantana | ku | | | Voorhoeve (1975) | |
| 178431 | Rerau | bu | | | Z'graggen (1980) | pig |
| 122260 | Rempi | bo | | | Z'graggen (1980) | pig |
| 218890 | Rasawa | kaβo | | | Clouse (1997) | |
