| 218889 | Saponi | kwɛɾɛ | | | Clouse (1997) | |
| 122255 | Saruga | bo | | | Z'graggen (1980) | pig |
| 19523 | Sause | dzüfi | | | Voorhoeve (1975) | |
| 178412 | Sausi | usu | | | Z'graggen (1980) | pig |
| 21093 | Sawi | tui | | | Voorhoeve (1975) | |
| 30090 | Sawi | tui | | | Voorhoeve (1971) | |
| 20048 | Seget | mon | | | Voorhoeve (1975) | |
| 21607 | Semimi | pembe | | | Voorhoeve (1975) | |
| 21327 | Sempan | ofo | | | Voorhoeve (1975) | |
| 26157 | Sentani | obo | | | Voorhoeve (1975) | |
| 25513 | Serui-Laut | tafui | | | Voorhoeve (1975) | |
| 202909 | Setaman (Baktamin Dialect) | kwoŋ | | | Van Cott and Spencer (2010) | |
| 202794 | Setaman (Ngisokabip Dialect) | kʰoŋ | | | Van Cott and Spencer (2010) | |
| 202650 | Setaman (Seltamin Dialect) | kʰoŋ | | | Van Cott and Spencer (2010) | |
| 73927 | Siane | yafó | | | Scott (1978) | |
| 32170 | Siane | iaho | | | SIL (1987) | |
| 32528 | Siane | yafo | | | Salisbury (1956) | |
| 32639 | Siane (Kovena Dialect) | idje | | | Salisbury (1956) | |
| 199516 | Siawi | kinʌdiʔ | | | Conrad and Dye (1975) | |
| 122245 | Sihan | ho | | | Z'graggen (1980) | pig |
| 218908 | Sikaritai | dik̚ | | | Clouse (1997) | |
| 192017 | Sileibi | samba | | | Z'graggen (1980) | pig |
| 26956 | Silimo | wam | | | Bromley (1967) | |
| 22494 | Silimo (South Ngalik Dialect) | wam | | | Voorhoeve (1975) | |
| 122262 | Silopi | bo | | | Z'graggen (1980) | pig |
| 258603 | Sinaugoro | ɣiɣu- | | | Dutton (1970) | pig |
| 178410 | Sinsauru | bo | | | Z'graggen (1980) | pig |
| 178417 | Siroi | mbo | | | Z'graggen (1980) | pig |
| 30726 | Skou | pálɛ | | | Voorhoeve (1971) | |
| 23772 | Skou | pale | | | Voorhoeve (1975) | |
| 25031 | Sobei | pado | | | Voorhoeve (1975) | |
| 218032 | Som | sok(ʌ)í | | | SIL (1968) | |
| 15814 | Sonia | kɛ | | | Shaw (1986) | |
| 178423 | Sop | daway | | | Z'graggen (1980) | pig |
| 19280 | Sowanda | ogtse | | | Voorhoeve (1975) | |
| 30900 | Sowanda | ogtse | | | Voorhoeve (1971) | |
| 18999 | Sowari | nifie | | | Voorhoeve (1975) | |
| 22128 | Suabo | bijo | | | Voorhoeve (1975) | |
| 52947 | Suena | pu | pig | | Smallhorn (2011) | |
| 52948 | Suena (Yema-Yarawe Dialect) | pu | pig | | Smallhorn (2011) | |
| 78832 | Suki | kuainu | | | Voorhoeve (1970) | |
| 178424 | Sumau | pu | | | Z'graggen (1980) | pig |
| 245965 | Tabriak | yɩmbiyan | | | SIL (1967) | |
| 245793 | Tabriak | imbian | | | SIL (1990) | |
| 7769 | Tabriak | imbian | | | Foley (1986) | |
| 236194 | Tabriak | impian | | | Foley (2005) | |
| 235524 | Tabriak | impian | | | Foley (2005) | |
| 19117 | Taikat | wot | | | Voorhoeve (1975) | |
| 30325 | Taikat | wot | | | Voorhoeve (1971) | |
| 73928 | Tairora, North | uara | | | Scott (1978) | |
