| kjd | sout2950 | Southern Kiwai | T,
Kiwaian | 164 |
| sow | sowa1245 | Sowanda | B,
Waris | 130 |
| dmy | demt1241 | Sowari | E,
S,
Demta | 40 |
| szp | suab1238 | Suabo | T,
S,
Inanwatan | 40 |
| sue | suen1241 | Suena (Yema-Yarawe Dialect) | T,
G,
B,
North Binanderean | 97 |
| sue | suen1241 | Suena | T,
G,
B,
North Binanderean | 488 |
| sui | suki1245 | Suki | T,
G,
Suki | 95 |
| six | suma1270 | Sumau | T,
M,
R,
Peka | 349 |
| knv | tabo1241 | Tabo | S,
Waia | 171 |
| tzx | tabr1243 | Tabriak | R,
L,
Karawari | 509 |
| aos | taik1255 | Taikat | B,
Taikat | 91 |
| ago | tain1253 | Tainae | T,
A,
Nuclear Angan | 104 |
| tbg | nort2920 | Tairora, North | T,
K,
K,
Tairora | 158 |
| omw | sout2943 | Tairora, South | T,
K,
K,
Tairora | 162 |
| uar | tair1256 | Tairuma | T,
E,
N,
E. | 111 |
| tcg | tama1336 | Tamagario | T,
Kayagar | 131 |
| tcm | tana1288 | Tanahmerah | T,
Tanah Merah | 81 |
| tni | tand1253 | Tandia | A,
M,
C,
E,
S,
W,
C,
Tandia | 19 |
| tgu | tang1355 | Tanggu | R,
R,
Tanggu | 72 |
| tkx | tang1353 | Tangko | T,
O,
O,
Tangko | 217 |
| tpf | tarp1240 | Tarpia | A,
M,
C,
E,
O,
W,
N,
S,
Sarmi | 25 |
| ttd | taua1242 | Tauade | T,
S,
G,
Kunimaipa | 328 |
| tad | taus1252 | Tause | L,
T,
West | 203 |
| tad | weir1238 | Tause (Weirate Dialect) | L,
T,
West | 135 |
| tad | deir1239 | Tause (Deirate Dialect) | L,
T,
West | 158 |
| tya | tauy1241 | Tauya | T,
M,
R,
Biyom-Tauya | 339 |
| ppo | tebe1252 | Tebera | T,
Teberan | 99 |
| dmu | dubu1240 | Tebi | P,
Western | 127 |
| kps | tehi1237 | Tehit | W,
West Bird's Head | 39 |
| twe | mada1286 | Teiwa (Madar Dialect) | T,
W,
T,
A,
Pantar | 121 |
| twe | leba1239 | Teiwa (Lebang Dialect) | T,
W,
T,
A,
Pantar | 118 |
| twe | dein1238 | Teiwa (Deing Dialect) | T,
W,
T,
A,
Pantar | 120 |
| twe | teiw1235 | Teiwa (Sargang Dialect) | T,
W,
T,
A,
Pantar | 123 |
| tlf | tele1256 | Telefol | T,
O,
O,
Mountain | 187 |
| tvo | tido1248 | Tidore | W,
N,
Ternate-Tidore | 214 |
| tif | tifa1245 | Tifal | T,
O,
O,
Mountain | 152 |
| tim | timb1251 | Timbe | T,
F,
H,
Western | 197 |
| tqo | toar1246 | Toaripi | T,
E,
N,
E. | 114 |
| tqo | sepo1239 | Toaripi (Sepoe Dialect) | T,
E,
N,
E. | 112 |
| tti | toba1266 | Tobati | A,
M,
C,
E,
O,
W,
N,
S,
Jayapura Bay | 21 |
| tbv | tobo1251 | Tobo | T,
F,
H,
Western | 189 |
| tlg | tofa1246 | Tofanma | Unclassified | 119 |
| zuh | toka1244 | Tokano | T,
K,
G,
Gahuku-Benabena | 160 |
| tpi | tokp1240 | Tok Pisin | C,
E,
Pacific | 128 |
| tei | torr1259 | Torricelli | T,
K,
Kombio | 39 |
| ttn | towe1240 | Towei | P,
Western | 36 |
| kvz | tsak1250 | Tsaukambo | T,
O,
O,
Ngalum | 209 |
| iou | tuma1250 | Tuma-Irumu (Irumu Dialect) | T,
F,
F,
Wantoat | 52 |
| trt | tung1293 | Tunggare | East Geelvink Bay | 40 |
| ksj | uare1241 | Uare | T,
S,
Kwalean | 421 |
