| trt | tung1293 | Tunggare | East Geelvink Bay | 40 |
| tsx | muba1238 | Mubami | T,
I,
Minanibai | 206 |
| ttd | taua1242 | Tauade | T,
S,
G,
Kunimaipa | 183 |
| tti | toba1266 | Tobati | A,
M,
C,
E,
O,
W,
N,
S,
Jayapura Bay | 21 |
| ttn | towe1240 | Towei | P,
Western | 36 |
| tty | sika1263 | Sikaritai | L,
T,
East | 234 |
| tvo | tido1248 | Tidore | W,
N,
Ternate-Tidore | 214 |
| twe | dein1238 | Teiwa (Deing Dialect) | T,
W,
T,
A,
Pantar | 120 |
| twe | teiw1235 | Teiwa (Sargang Dialect) | T,
W,
T,
A,
Pantar | 123 |
| twe | mada1286 | Teiwa (Madar Dialect) | T,
W,
T,
A,
Pantar | 121 |
| twe | leba1239 | Teiwa (Lebang Dialect) | T,
W,
T,
A,
Pantar | 118 |
| txt | cita1245 | Citak (Upper Sirec Dialect) | T,
A,
Asmat | 42 |
| txt | cita1245 | Citak | T,
A,
Asmat | 25 |
| txt | cita1245 | Citak (Brazza River Dialect) | T,
A,
Asmat | 26 |
| txt | seng1282 | Citak (Citak, Senggo Dialect) | T,
A,
Asmat | 201 |
| tya | tauy1241 | Tauya | T,
M,
R,
Biyom-Tauya | 339 |
| tyn | komb1274 | Kombai | T,
O,
A,
Dumut | 71 |
| tzx | tabr1243 | Tabriak | R,
L,
Karawari | 509 |
| uar | tair1256 | Tairuma | T,
E,
N,
E. | 111 |
| ufi | ufim1240 | Ufim | T,
F,
F,
Gusap-Mot | 51 |
| uhn | dama1272 | Damal | T,
Damal | 50 |
| ukg | ukur1240 | Ukuriguma | T,
M,
C,
P,
Numugenan | 354 |
| ulf | usku1243 | Usku | Unclassified | 116 |
| ulk | meri1244 | Meriam | Eastern Trans-Fly | 0 |
| urg | urig1240 | Urigina | T,
M,
R,
Peka | 354 |
| uri | urim1252 | Urim | T,
Urim | 46 |
| urn | urua1244 | Uruangnirin | A,
M,
C,
North Bomberai | 4 |
| uro | urap1240 | Ura | E,
Baining | 505 |
| urt | urat1244 | Urat | T,
W,
Urat | 40 |
| urw | sopp1247 | Sop | T,
M,
R,
Peka | 376 |
| ury | orya1242 | Orya | T,
O,
Orya | 307 |
| usu | uyaa1238 | Uya | T,
M,
R,
Nuru | 350 |
| utu | utuu1240 | Utu | T,
M,
C,
Hanseman | 359 |
| uvh | urii1240 | Uri (Sintogoro Dialect) | T,
F,
F,
Erap | 89 |
| uvh | urii1240 | Uri (Siara Dialect) | T,
F,
F,
Erap | 90 |
| uvh | urii1240 | Uri | T,
F,
F,
Erap | 53 |
| wad | wand1267 | Wandamen | A,
M,
C,
E,
S,
W,
C,
Y,
Central-Western | 56 |
| wax | wata1253 | Marangis | R,
R,
O,
Watam | 65 |
| wbb | wabo1240 | Wabo | A,
M,
C,
E,
S,
W,
C,
Y,
East | 37 |
| wbe | wari1264 | Waritai | L,
T,
East | 234 |
| wbw | woii1237 | Woi | A,
M,
C,
E,
S,
W,
C,
Y,
Central-Western | 38 |
| wdg | wada1263 | Wadaginam | T,
M,
S,
J,
Wadaginam | 326 |
| wfg | yafi1240 | Zorop | P,
Eastern | 150 |
| wii | mini1253 | Minidien | T,
M,
Maimai | 42 |
| wiu | wiru1244 | Wiru | T,
Wiru | 188 |
| wla | nucl1453 | Walio | S,
L,
Walio | 101 |
| wlw | wala1269 | Walak | T,
W,
D,
Dani Proper | 115 |
| wmc | wama1247 | Wamas | T,
M,
C,
Hanseman | 363 |
| wms | wamb1259 | Wambon | T,
O,
A,
Dumut | 564 |
| wnb | wana1269 | Wanambre | T,
M,
C,
P,
Tiboran | 338 |
