| 141583 | Usan | wʌis | | | Z'graggen (1980) | (rat) |
| 178604 | Urigina | sepi | | | Z'graggen (1980) | rat |
| 200373 | Uri (Sintogoro Dialect) | kʌtʌbʌ | | | Retsema et al. (2009) | |
| 200285 | Uri (Siara Dialect) | kʌtʌbʌ | | | Retsema et al. (2009) | |
| 228257 | Ura | miřɛngʌ | | | SIL (1970) | |
| 230809 | Ura | maren-ga | | | SIL (1975) | |
| 228764 | Ura | mirɛngʌ | | | SIL (1971) | |
| 228949 | Unknown (possibly Konomala) | 'kusiʔ | | | SIL () | |
| 141589 | Ukuriguma | wɛta | | | Z'graggen (1980) | (rat) |
| 141588 | Ukuriguma | garan | | | Z'graggen (1980) | (rat) |
| 217610 | Uare | u'numɩ | | | SIL (1988) | |
| 214751 | Tsaukambo | jæˈbæ | | | Hughes (2009) | |
| 239197 | Tok Pisin | rat | rat | | Abbott (1985) | |
| 221086 | Tokano | sokoľoⁱna | | | SIL (1965) | |
| 78681 | Tidore | nguti | | | Pikkert et al (1994) | |
| 192129 | Tauya | turi | | | Z'graggen (1980) | rat |
| 220106 | Tause (Weirate Dialect) | diga | | | Clouse (1997) | |
| 220107 | Tause | tedakwe | | | Clouse (1997) | |
| 218160 | Tauade | kene | kenome | | SIL (1980) | |
| 211989 | Tangko | ˈbɔɴqɔ | | | Hughes (2009) | |
| 31335 | Tairora, South | vahi | | | SIL (1976) | |
| 73964 | Tairora, North | tubura | | | Scott (1978) | |
| 245969 | Tabriak | kʰambiyakʰ | | | SIL (1967) | |
| 245797 | Tabriak | kambimbɨnma | | | SIL (1990) | |
| 178603 | Sumau | sipi | | | Z'graggen (1980) | rat |
| 53245 | Suena (Yema-Yarawe Dialect) | goibu | rat | | Smallhorn (2011) | |
| 53244 | Suena | goibo | rat | | Smallhorn (2011) | |
| 178602 | Sop | munikɛ | | | Z'graggen (1980) | rat |
| 213658 | Som | karʌm | | | SIL (1968) | |
| 213659 | Som | karɛm | | | SIL (1968) | |
| 178596 | Siroi | sip | | | Z'graggen (1980) | rat |
| 178589 | Sinsauru | tomo | | | Z'graggen (1980) | rat |
| 122452 | Silopi | barum | | | Z'graggen (1980) | rat |
| 192115 | Sileibi | siba | | | Z'graggen (1980) | rat |
| 220127 | Sikaritai | dokug̚ | | | Clouse (1997) | |
| 220120 | Sikaritai | tusog̚ | | | Clouse (1997) | |
| 122435 | Sihan | koʔi | | | Z'graggen (1980) | rat |
| 32172 | Siane | gutnembe | | | SIL (1987) | |
| 73963 | Siane | kunémbé | | | Scott (1978) | |
| 202654 | Setaman (Seltamin Dialect) | sɑnok | | | Van Cott and Spencer (2010) | |
| 202798 | Setaman (Ngisokabip Dialect) | sɑnok | | | Van Cott and Spencer (2010) | |
| 202913 | Setaman (Baktamin Dialect) | sɑnok | | | Van Cott and Spencer (2010) | |
| 75745 | Savosavo | kuzi | | | Wegener (2011) | |
| 178591 | Sausi | sɛsi | | | Z'graggen (1980) | rat |
| 122445 | Saruga | pagoya | | | Z'graggen (1980) | rat |
| 220103 | Saponi | nɛɾɛjɛ | | | Clouse (1997) | |
| 122443 | Samosa | aisaunɛ | | | Z'graggen (1980) | rat |
| 178617 | Sam | gulɛn | | | Z'graggen (1980) | rat |
| 215281 | Sam (Wongbe Dialect) | gulɛn | | | Rueck & Jore (2003) | |
| 215030 | Sam (Songum Dialect) | gulɛn | | | Rueck & Jore (2003) | |
