| 218971 | Sikaritai | debi | | | Clouse (1997) | |
| 192131 | Sileibi | sanaŋgu | | | Z'graggen (1980) | snake |
| 122481 | Silopi | su | | | Z'graggen (1980) | snake |
| 258704 | Sinaugoro | maɣani kone | | | Dutton (1970) | snake |
| 178618 | Sinsauru | dɔgo | | | Z'graggen (1980) | snake |
| 178626 | Siroi | mbeŋ | | | Z'graggen (1980) | snake |
| 30727 | Skou | i | | | Voorhoeve (1971) | |
| 213666 | Som | koneᶺk | | | SIL (1968) | |
| 92037 | Somba-Siawari (Burum Dialect) | mokoleŋ | snake | | McElhanon (1967) | snake |
| 92032 | Somba-Siawari (Mindik Dialect) | mokoleŋ | snake | | McElhanon (1967) | snake |
| 178632 | Sop | mʌːtʰ | | | Z'graggen (1980) | snake |
| 30901 | Sowanda | soanbene | | | Voorhoeve (1971) | |
| 54224 | Suena | jinaba | python | | Smallhorn (2011) | |
| 54222 | Suena | ji | snake | | Smallhorn (2011) | |
| 54225 | Suena (Yema-Yarawe Dialect) | ji | snake | | Smallhorn (2011) | |
| 178633 | Sumau | mʌːtu | | | Z'graggen (1980) | snake |
| 245799 | Tabriak | wakɨn | | | SIL (1990) | |
| 245971 | Tabriak | wagʌn | | | SIL (1967) | |
| 235537 | Tabriak | wakɨn | | | Foley (2005) | |
| 7771 | Tabriak | wakɨn | | | Foley (1986) | |
| 236207 | Tabriak | wakɨn | | | Foley (2005) | |
| 30326 | Taikat | wobɛ | | | Voorhoeve (1971) | |
| 74301 | Tairora, North | memaru | | | Scott (1978) | |
| 31337 | Tairora, South | kaparara | | | SIL (1976) | |
| 30419 | Tamagario | ekor | | | Voorhoeve (1971) | |
| 237176 | Tanggu | kyuok | | | Foley (2005) | |
| 211995 | Tangko | sɑˈmup̚ | | | Hughes (2009) | |
| 218162 | Tauade | kɔvɔ | | | SIL (1980) | |
| 218957 | Tause | ɸi | | | Clouse (1997) | |
| 218956 | Tause (Deirate Dialect) | ɸi | | | Clouse (1997) | |
| 218955 | Tause (Weirate Dialect) | ɸi | | | Clouse (1997) | |
| 192146 | Tauya | sai | | | Z'graggen (1980) | snake |
| 28988 | Tebi | wauli | | | Voorhoeve (1971) | |
| 38729 | Teiwa (Deing Dialect) | d'αmA | | | Stokhof (1975) | |
| 38495 | Teiwa (Lebang Dialect) | dαm | | | Stokhof (1975) | |
| 36971 | Teiwa (Madar Dialect) | dαm | | | Stokhof (1975) | |
| 36151 | Teiwa (Sargang Dialect) | dαm | | | Stokhof (1975) | |
| 197232 | Telefol | ináb | snake variety | | Loughnane and Fedden (2011) | |
| 78678 | Tidore | ega | | | Pikkert et al (1994) | |
| 197127 | Tifal | ináb | | | Loughnane and Fedden (2011) | |
| 92035 | Timbe | niabi | snake | | McElhanon (1967) | snake |
| 92040 | Tobo | kemala | snake | | McElhanon (1967) | snake |
| 30658 | Tofanma | lambla | | | Voorhoeve (1971) | |
| 221088 | Tokano | ǥosiheʔ | | | SIL (1965) | |
| 239199 | Tok Pisin | snek | snake | | Abbott (1985) | |
| 214757 | Tsaukambo | æˈnɔʔ | | | Hughes (2009) | |
| 258697 | Uare | ɣoˈʒone | | | Dutton (1970) | snake |
| 217612 | Uare | 'mɔhe | | | SIL (1988) | |
| 141618 | Ukuriguma | dua | | | Z'graggen (1980) | snake |
| 228951 | Unknown (possibly Konomala) | sui | | | SIL () | |
