| gjm | | Warrnambool | P,
S,
V,
Kulin | 76 |
| wgy | | Wargamay | A,
P,
Dyirbalic | 76 |
| wra | | Warapu | S,
S,
S,
Piore River | 48 |
| wba | | Warao | Language isolate | 48 |
| tci | | Wára | T,
Yam Family | 48 |
| wbf | | Wara | N,
A,
V,
N,
G,
Wara-Natioro | 48 |
| wao | | Wappo | Yukian | 48 |
| mpj | | Wangkajunga | A,
P,
W,
N,
D,
Wati | 76 |
| wnd | | Wandarang | A,
Maran | 76 |
| wms | | Wambon | T,
O,
A,
Dumut | 76 |
| wmb | | Wambaya | A,
Mindi | 76 |
| wgi | | Wahgi | T,
Chimbu–Wahgi | 70 |
| vig | | Viemo | N,
A,
V,
N,
G,
Viemo | 48 |
| vam | | Vanimo | S,
S,
N,
Eastern Skou | 56 |
| piv | | Vaeakau-Taumako | A,
M,
C,
E,
O,
C,
R,
C,
E,
P,
N,
S,
Futunic | 48 |
| ute | | Ute-Southern Paiute | U,
N,
N,
Southern | 48 |
| usa | | Usarufa | T,
K,
K,
Gadsup-Auyana-Awa | 48 |
| wnu | | Usan | T,
M,
C,
P,
Numugenan | 190 |
| uri | | Urim | T,
Urim | 48 |
| urd | | Urdu | I,
I,
I,
C,
W,
Hindustani | 48 |
| uur | | Ura | A,
M,
C,
E,
O,
C,
S,
Erromanga | 48 |
| hsb | | Upper Sorbian | I,
S,
W,
Sorbian | 68 |
| ung | | Ungarinyin | A,
Worrorran | 77 |
| ulw | | Ulwa | M,
S,
Sumuic | 0 |
| ukr | | Ukrainian | I,
S,
East | 29 |
| woa | | Tyeraity | A,
Northern Daly | 76 |
| tue | | Tuyuca | | 48 |
| bov | | Tuwuli | N,
A,
V,
K,
L,
Kposo-Ahlo-Bowili | 48 |
| tvl | | Tuvaluan | A,
M,
C,
E,
O,
C,
R,
C,
E,
P,
N,
S,
Ellicean | 60 |
| tuk | | Turkmen | T,
S,
Turkmenian | 48 |
| tur | | Turkish | A,
T,
S,
Turkish | 48 |
| tuf | | Tunebo Central | C,
C,
M,
S,
Tunebo | 48 |
| tul | | Tula | N,
A,
V,
N,
A,
A,
W,
W,
Tula | 48 |
| khc | | Tukang Besi | A,
M,
C,
E,
S,
M,
Tukangbesi-Bonerate | 76 |
| tuo | | Tucano | | 48 |
| tsn | | Tswana | N,
A,
V,
B,
B,
S,
N,
C,
S,
Sotho-Tswana (S.31) | 48 |
| tsj | | Tshangla | S,
T,
W,
Bodish | 48 |
| cof | | Tsafiki | | 48 |
| trc | | Triqui San Copala | O,
E,
A,
M,
Triqui | 0 |
| tsp | | Toussian, Northern | N,
A,
V,
N,
G,
Tusia | 48 |
| tlc | | Totonac (Misantla Dialect) | T,
Totonac | 48 |
| tcs | | Torres Strait Creole | C,
English based | 76 |
| ttu | | Torau | A,
M,
C,
E,
O,
W,
M,
N,
S,
Mono-Uruava | 48 |
| mlu | | Toqabaqita | A,
M,
C,
E,
O,
C,
S,
M,
M,
Northern | 125 |
| lbw | | Tolaki | A,
M,
C,
E,
S,
B,
W,
West Coast | 85 |
| jic | | Tol | Jicaquean | 0 |
| tpi | | Tok Pisin | C,
English-based | 76 |
| toj | | Tojolabal | M,
C,
W,
K,
Chujean | 0 |
| tti | | Tobati | A,
M,
C,
E,
O,
W,
N,
S,
Jayapura Bay | 147 |
| tqo | | Toaripi | T,
E,
N,
Eastern | 48 |
