| 19107 | Taikat | ma | | | Voorhoeve (1975) | |
| 236221 | Tabriak | anti | | | Foley (2005) | |
| 235551 | Tabriak | anti | | | Foley (2005) | |
| 1613 | Tabo | hopu | | | Wurm (1973) | |
| 260726 | Tabo | aka | | | Reesink (1976) | |
| 260727 | Tabo | hopu | | | Reesink (1976) | |
| 179846 | Sumau | oːw | | | Z'graggen (1980) | ground |
| 22118 | Suabo | bodo | | | Voorhoeve (1975) | |
| 18989 | Sowari | kawpere | | | Voorhoeve (1975) | |
| 19270 | Sowanda | betoya | | | Voorhoeve (1975) | |
| 17362 | Southern Kiwai | duriomoro | | | Wurm (1973) | |
| 2418 | Southern Kiwai (Tureture Dialect) | hopu | | | Wurm (1973) | |
| 179844 | Sop | ob | | | Z'graggen (1980) | ground |
| 179845 | Sop | ɔbsum | | | Z'graggen (1980) | ground |
| 15812 | Sonia | heni | | | Shaw (1986) | |
| 23762 | Skou | fito | | | Voorhoeve (1975) | |
| 179838 | Siroi | kike | | | Z'graggen (1980) | ground |
| 179829 | Sinsauru | ɛgɛrɛ | | | Z'graggen (1980) | ground |
| 258172 | Sinaugoro | tano | | | Dutton (1970) | ground |
| 243956 | Sinagen | waya | | | Laycock (1968) | |
| 4890 | Simbari | kwaaka | | | Lloyd (1973) | |
| 123795 | Silopi | ʔeβ | | | Z'graggen (1980) | ground |
| 243964 | Siliput | syap | | | Laycock (1968) | |
| 22484 | Silimo (South Ngalik Dialect) | wonaŋ | | | Voorhoeve (1975) | |
| 192814 | Sileibi | uː | | | Z'graggen (1980) | ground |
| 24899 | Sikaritai | oije | | | Voorhoeve (1975) | |
| 123777 | Sihan | mi:r | | | Z'graggen (1980) | ground |
| 32627 | Siane (Kovena Dialect) | mikesumbo | | | Salisbury (1956) | |
| 32515 | Siane | mika | | | Salisbury (1956) | |
| 243947 | Seti | pe:ki | | | Laycock (1968) | |
| 243946 | Seta | pe:ki | | | Laycock (1968) | |
| 25503 | Serui-Laut | kakofa | | | Voorhoeve (1975) | |
| 26147 | Sentani | kani | | | Voorhoeve (1975) | |
| 21597 | Semimi | makoro | | | Voorhoeve (1975) | |
| 20038 | Seget | semge | | | Voorhoeve (1975) | |
| 21083 | Sawi | seba:r | | | Voorhoeve (1975) | |
| 179831 | Sausi | keme | | | Z'graggen (1980) | ground |
| 179832 | Sausi | oᵬo | | | Z'graggen (1980) | ground |
| 19513 | Sause | isier | | | Voorhoeve (1975) | |
| 123787 | Saruga | vana | | | Z'graggen (1980) | ground |
| 1313 | Saniyo-Hiyewe | pɛpeři | | | Macdonald (1973) | |
| 123785 | Samosa | vane | | | Z'graggen (1980) | ground |
| 5807 | Samo | moho̧i̧ | | | Shaw (1973) | |
| 15912 | Samo | mʌhɔ̃i | | | Shaw (1986) | |
| 4211 | Samberigi | yu | | | Franklin and Voorhoeve (1973) | |
| 22648 | Samarokena | era | | | Voorhoeve (1975) | |
| 179859 | Sam | mɛaŋ kaŋgo | | | Z'graggen (1980) | ground |
| 16952 | Safeyoka | hwaaha | | | Lloyd (1973) | |
| 179843 | Saep | po | | | Z'graggen (1980) | ground |
| 593 | Rumu | hapu | | | Franklin (1973) | |
