ISO 639:t

| tkp  |  |  | I/L |  |  | Tikopia |  |  |  |  | Tikopia |
| tkq  |  |  | I/L |  |  | Tee |  |  |  |  |  |
| tkr  |  |  | I/L |  |  | Tsakhur | tsakhour | tsakhur |  | цахурский |  |
| tks  |  |  | I/L |  |  | Takestani |  |  |  |  |  |
| tkt  |  |  | I/L |  |  | Tharu, Kathoriya |  |  |  |  |  |
| tku  |  |  | I/L |  |  | Upper Necaxa Totonac |  |  |  |  |  |
| tkv  |  |  | I/L | Austronesian |  | Mur Pano |  |  |  |  |  |
| tkw  |  |  | I/L |  |  | Teanu |  |  |  |  | Teanu |
| tkx  |  |  | I/L |  |  | Tangko |  |  |  |  |  |
| tkz  |  |  | I/L |  |  | Takua |  |  |  |  |  |
| tla  |  |  | I/L |  |  | Tepehuan, Southwestern |  |  |  |  |  |
| tlb  |  |  | I/L |  |  | Tobelo |  |  |  |  |  |
| tlc  |  |  | I/L |  |  | Totonac, Yecuatla |  |  |  |  |  |
| tld  |  |  | I/L |  |  | Talaud |  |  |  |  |  |
| (tle)  |  |  |  |  |  | Southern Marakwet |  |  |  |  |  |
| tlf  |  |  | I/L |  |  | Telefol |  |  |  |  |  |
| tlg  |  |  | I/L |  |  | Tofanma |  |  |  |  |  |
| tlh  |  | tlh | I/C |  | tlhIngan Hol | Klingon; tlhIngan-Hol | klingon | klingon | 克林贡语 |  | Klingonisch |
| tli  |  | tli | I/L |  | Lingít | Tlingit | tlingit | tlingit | 特林吉特语 | тлингит | Tlingit |
| tlj  |  |  | I/L |  |  | Talinga-Bwisi |  |  |  |  |  |
| tlk  |  |  | I/L |  |  | Taloki |  |  |  |  |  |
| tll  |  |  | I/L |  |  | Tetela |  |  |  | тетела |  |
| tlm  |  |  | I/L |  |  | Tolomako |  |  |  |  |  |
| tln  |  |  | I/L |  |  | Talondo' |  |  |  |  |  |
| tlo  |  |  | I/L |  |  | Talodi |  |  |  |  |  |
| tlp  |  |  | I/L |  |  | Totonac, Filomena Mata-Coahuitlán |  |  |  |  |  |
| tlq  |  |  | I/L |  |  | Tai Loi |  |  |  |  |  |
| tlr  |  |  | I/L |  |  | Talise |  |  |  |  |  |
| tls  |  |  | I/L |  |  | Tambotalo |  |  |  |  |  |
| tlt  |  |  | I/L |  |  | Teluti |  |  |  |  |  |
| tlu  |  |  | I/L |  |  | Tulehu |  |  |  |  |  |
| tlv  |  |  | I/L |  |  | Taliabu |  |  |  |  |  |
| (tlw)  |  |  | I/L |  |  | Wemale, South |  |  |  |  |  |
| tlx  |  |  | I/L |  |  | Khehek |  |  |  |  | Levei |
| tly  |  |  | I/L |  | толышә | Talysh | talysh | talish |  | талышский |  |
| (tlz)  |  |  | I/L |  |  | Toala' |  |  |  |  |  |
| tma  |  |  | I/L |  |  | Tama (Chad) |  |  |  |  |  |
| tmb  |  |  | I/L |  |  | Katbol |  |  |  |  |  |
| tmc  |  |  | I/L |  |  | Tumak |  |  |  |  |  |
| tmd  |  |  | I/L |  |  | Haruai |  |  |  |  |  |
| tme  |  |  | I/E |  |  | Tremembé |  |  |  |  |  |
| tmf  |  |  | I/L |  |  | Toba-Maskoy |  |  |  |  |  |
| tmg  |  |  | I/E |  |  | Ternateño |  |  |  |  |  |
| tmh  |  | tmh | M/L |  |  | Tamashek | tamacheq |  | 塔马舍克语 | тамашек |  |
| tmi  |  |  | I/L |  |  | Tutuba |  |  |  |  |  |
| tmj  |  |  | I/L |  |  | Samarokena |  |  |  |  |  |
| tmk  |  |  | I/L |  |  | Tamang, Northwestern |  |  |  |  |  |
| tml  |  |  | I/L |  |  | Citak, Tamnim |  |  |  |  |  |
| tmm  |  |  | I/L |  |  | Tai Thanh |  |  |  |  |  |
| tmn  |  |  | I/L |  |  | Taman (Indonesia) |  |  |  |  |  |
| tmo  |  |  | I/L |  |  | Temoq |  |  |  |  |  |
| (tmp)  |  |  | I/L |  |  | Tai Mène |  |  | 傣曼语 |  |  |
| tmq  |  |  | I/L |  |  | Tumleo |  |  |  |  |  |
| tmr  |  |  | I/E |  |  | Aramaic, Talmudic |  |  |  |  |  |
| tms  |  |  | I/L |  |  | Tima |  |  |  |  |  |
| tmt  |  |  | I/L |  |  | Tasmate |  |  |  |  |  |
| tmu  |  |  | I/L |  |  | Iau |  |  |  |  |  |
| tmv  |  |  | I/L |  |  | Tembo (Motembo) |  |  |  |  |  |
| tmw  |  |  | I/L |  |  | Temuan |  |  |  |  |  |
| (tmx)  |  |  |  |  |  | Tomyang |  |  |  |  |  |
| tmy  |  |  | I/L |  |  | Tami |  |  |  |  |  |
| tmz  |  |  | I/E |  |  | Tamanaku |  | tamanaku |  |  |  |
| tna  |  |  | I/L |  |  | Tacana |  |  |  |  |  |
| tnb  |  |  | I/L |  |  | Tunebo, Western |  |  |  |  |  |
| tnc  |  |  | I/L |  |  | Tanimuca-Retuarã |  | tanimuca-retuarã |  |  |  |
| tnd  |  |  | I/L |  |  | Tunebo, Angosturas |  |  |  |  |  |
| (tne)  |  |  | I/L |  |  | Kallahan, Tinoc |  |  |  |  |  |
| (tnf)  |  |  | I/L |  |  | Tangshewi |  |  |  |  |  |
| tng  |  |  | I/L |  |  | Tobanga |  |  |  |  |  |
| tnh  |  |  | I/L |  |  | Maiani |  |  |  |  |  |
| tni  |  |  | I/L |  |  | Tandia |  |  |  |  |  |
| (tnj)  |  |  |  |  |  | Tanjong |  |  |  |  |  |
| tnk  |  |  | I/L |  |  | Kwamera |  |  |  |  |  |
| tnl  |  |  | I/L |  |  | Lenakel |  |  |  | ленакель | Lenakel |
| tnm  |  |  | I/L |  |  | Tabla |  |  |  |  |  |
| tnn  |  |  | I/L |  |  | Tanna, North |  |  |  |  |  |
| tno  |  |  | I/L |  |  | Toromono |  |  |  |  |  |
| tnp  |  |  | I/L |  |  | Whitesands |  |  |  |  |  |
| tnq  |  |  | I/E |  |  | Taino |  |  |  |  |  |
| tnr  |  |  | I/L |  |  | Budik |  |  |  |  |  |
| tns  |  |  | I/L |  |  | Tenis |  |  |  |  |  |
| tnt  |  |  | I/L |  |  | Tontemboan |  |  |  | тонтембоан | Tontemboanisch |
| tnu  |  |  | I/L |  |  | Tay Khang |  |  |  |  |  |
| tnv  |  |  | I/L |  |  | Tangchangya |  |  |  |  |  |
| tnw  |  |  | I/L |  |  | Tonsawang |  |  |  |  |  |
| tnx  |  |  | I/L |  |  | Tanema |  |  |  |  |  |
| tny  |  |  | I/L |  |  | Tongwe |  |  |  | тонгве |  |
| tnz  |  |  | I/L |  |  | Tonga (Thailand) |  |  |  |  |  |
| tob  |  |  | I/L |  |  | Toba |  |  |  |  |  |
| toc  |  |  | I/L |  |  | Totonac, Coyutla |  |  |  |  |  |
| tod  |  |  | I/L |  |  | Toma |  |  |  |  |  |
| (toe)  |  |  | I/E |  |  | Tomedes |  |  |  |  |  |
| tof  |  |  | I/L |  |  | Gizrra |  |  |  |  |  |
| tog  |  | tog | I/L |  | chiTonga | Tonga (Nyasa) | Tonga (Nyasa) |  |  | тонга (Ньяса) |  |
| toh  |  |  | I/L |  |  | Gitonga |  |  |  |  |  |
| toi  |  |  | I/L |  |  | Tonga (Zambia) |  |  |  |  |  |
| toj  |  |  | I/L |  |  | Tojolabal |  |  |  |  |  |
| tol  |  |  | I/E |  |  | Tolowa | tolowa |  |  |  |  |
| tom  |  |  | I/L |  |  | Tombulu |  |  |  |  |  |
| ton  | to | ton | I/L | Austronesian | faka-Tonga | Tonga (Tonga Islands) | Tongan (Îles Tonga) | tongano | 汤加语; 东加语 | тонга (Тонга исландский) | Tongaisch |
| too  |  |  | I/L |  |  | Totonac, Xicotepec De Juárez |  |  |  |  |  |
| top  |  |  | I/L |  |  | Totonac, Papantla |  | totonaco de Papantla |  |  |  |
| toq  |  |  | I/L |  |  | Toposa |  |  |  |  |  |
| tor  |  |  | I/L |  |  | Banda, Togbo-Vara |  |  |  |  |  |
| tos  |  |  | I/L |  |  | Totonac, Highland |  |  |  |  |  |
| (tot)  |  |  |  |  |  | Patla-Chicontla Totonac |  |  |  |  |  |
| tou  |  |  | I/L |  |  | Tho |  |  |  |  |  |
| tov  |  |  | I/L |  |  | Taromi, Upper |  |  |  |  |  |
| tow  |  |  | I/L |  |  | Jemez |  |  |  |  |  |
| tox  |  |  | I/L |  |  | Tobian |  |  |  |  | Tobianisch |
| toy  |  |  | I/L |  |  | Topoiyo |  |  |  |  |  |
| toz  |  |  | I/L |  |  | To |  |  |  |  |  |
| tpa  |  |  | I/L |  |  | Taupota |  |  |  |  |  |
| tpc  |  |  | I/L |  |  | Tlapanec, Azoyú |  |  |  |  |  |
| tpe  |  |  | I/L |  |  | Tippera |  |  |  |  |  |
| tpf  |  |  | I/L |  |  | Tarpia |  |  |  |  |  |
| tpg  |  |  | I/L |  |  | Kula |  |  |  |  |  |
| tpi  |  | tpi | I/L |  | Tok Pisin | Tok Pisin | tok pisin |  | 托克皮辛语; 巴布亚皮钦语 | ток-писин | Tok Pisin |
| tpj  |  |  | I/L |  |  | Tapieté |  | tapieté |  |  |  |
| tpk  |  |  | I/E |  |  | Tupinikin |  | tupinikin |  |  |  |
| tpl  |  |  | I/L |  |  | Tlapanec, Tlacoapa |  |  |  |  |  |
| tpm  |  |  | I/L |  |  | Tampulma |  |  |  |  |  |
| tpn  |  |  | I/E |  | abáñe'enga | Tupinambá |  | tupinambá |  |  | Tupinambá |
| tpo  |  |  | I/L |  |  | Tai Pao |  |  |  |  |  |
| tpp  |  |  | I/L |  |  | Tepehua, Pisaflores |  | tepehua de Pisaflores |  |  |  |
| tpq  |  |  | I/L |  |  | Tukpa |  |  |  |  |  |
| tpr  |  |  | I/L |  |  | Tuparí |  | tuparí |  |  |  |
| tpt  |  |  | I/L |  |  | Tepehua, Tlachichilco |  | tepehua de Tlachichilco |  |  |  |
| tpu  |  |  | I/L |  |  | Tampuan |  |  |  |  |  |
| tpv  |  |  | I/L |  |  | Tanapag |  |  |  |  |  |
| tpw  |  |  | I/E |  |  | Tupí | tupi | tupí |  |  | Tupí |
| tpx  |  |  | I/L |  |  | Tlapanec, Acatepec |  |  |  |  |  |
| tpy  |  |  | I/L |  |  | Trumaí |  |  |  |  |  |
| tpz  |  |  | I/L |  |  | Tinputz |  |  |  |  |  |
| tqb  |  |  | I/L |  |  | Tembé |  | tembé |  |  |  |
| tql  |  |  | I/L |  |  | Lehali |  |  |  |  |  |
| tqm  |  |  | I/L |  |  | Turumsa |  |  |  |  |  |
| tqn  |  |  | I/L |  |  | Tenino |  |  |  |  |  |
| tqo  |  |  | I/L |  |  | Toaripi |  |  |  |  |  |
| tqp  |  |  | I/L |  |  | Tomoip |  |  |  |  |  |
| tqq  |  |  | I/L |  |  | Tunni |  |  |  |  |  |
| tqr  |  |  | I/E |  |  | Torona |  |  |  |  |  |
| tqt  |  |  | I/L |  |  | Totonac, Ozumatlán |  |  |  |  |  |
| tqu  |  |  | I/L |  |  | Touo |  |  |  |  |  |
| tqw  |  |  | I/E |  |  | Tonkawa |  |  |  |  |  |
| tra  |  |  | I/L |  |  | Tirahi |  |  |  |  |  |
| trb  |  |  | I/L |  |  | Terebu |  |  |  |  |  |
| trc  |  |  | I/L |  |  | Triqui, Copala |  |  |  |  |  |
| trd  |  |  | I/L |  |  | Turi |  |  |  |  |  |
| tre  |  |  | I/L |  |  | Tarangan, East |  |  |  |  |  |
| trf  |  |  | I/L |  |  | Trinidadian Creole English |  |  | 特立尼达克里奥尔英语 |  |  |
| trg  |  |  | I/L |  |  | Lishán Didán |  |  |  |  |  |
| trh  |  |  | I/L |  |  | Turaka |  |  |  |  |  |
| tri  |  |  | I/L |  |  | Trió |  |  |  |  |  |
| trj  |  |  | I/L |  |  | Toram |  |  |  |  |  |
| trl  |  |  | I/L |  |  | Traveller Scottish |  |  |  |  |  |
| trm  |  |  | I/L |  |  | Tregami |  |  |  |  |  |
| trn  |  |  | I/L |  |  | Trinitario |  |  |  |  |  |
| tro  |  |  | I/L |  |  | Naga, Tarao |  |  |  |  |  |
| trp  |  |  | I/L |  |  | Kok Borok |  |  |  |  |  |
| trq  |  |  | I/L |  |  | Triqui, San Martín Itunyoso |  |  |  |  |  |
| trr  |  |  | I/L |  |  | Taushiro |  |  |  |  |  |
| trs  |  |  | I/L |  |  | Triqui, Chicahuaxtla |  |  |  |  |  |
| trt  |  |  | I/L |  |  | Tunggare |  |  |  |  |  |
| tru  |  |  | I/L |  |  | Turoyo |  |  | 图罗尤语 |  |  |
| trv  |  |  | I/L | Austronesian | Kari Seediq | Seediq |  |  | 賽德克語; 太魯閣語 |  | Seediq |
| trw  |  |  | I/L |  |  | Torwali |  |  |  |  |  |
| trx  |  |  | I/L |  |  | Tringgus |  |  |  |  |  |
| try  |  |  | I/E |  |  | Turung |  |  | 荼隆语 |  |  |
| trz  |  |  | I/E |  |  | Torá |  | toraz |  |  |  |
| tsa  |  |  | I/L |  |  | Tsaangi |  |  |  | тсаанги |  |
| tsb  |  |  | I/L |  |  | Tsamai |  |  |  |  |  |
| tsc  |  |  | I/L |  |  | Tswa |  |  |  |  |  |
| tsd  |  |  | I/L |  |  | Tsakonian |  |  |  |  |  |
| tse  |  |  | I/L |  |  | Tunisian Sign Language |  |  | 突尼斯手语 |  |  |
| (tsf)  |  |  | I/L |  |  | Tamang, Southwestern |  |  |  |  |  |
| tsg  |  |  | I/L |  |  | Tausug |  |  |  |  |  |
| tsh  |  |  | I/L |  |  | Tsuvan |  |  |  |  |  |
| tsi  |  | tsi | I/L |  | Sm’algyax̣ | Tsimshian | tsimshian | tsimshian | 钦西安语 | цимшиан | Tsimshian |
| tsj  |  |  | I/L |  |  | Tshangla | tshangla |  | 仓洛-门巴语; 仓洛语 |  |  |
| tsk  |  |  | I/L |  |  | Tseku |  |  |  |  |  |
| tsl  |  |  | I/L |  |  | Ts'ün-Lao |  |  |  |  |  |
| tsm  |  |  | I/L |  |  | Turkish Sign Language |  |  | 土耳其手语 |  |  |
| tsn  | tn | tsn | I/L | Niger–Congo | Setswana | Tswana | tswana | setsuana | 茨瓦纳语 | тсвана | Tsuana |
| tso  | ts | tso | I/L | Niger–Congo | Xitsonga | Tsonga | tsonga | tsonga | 聪加语; 宗加语 | тсонга | Tsongaisch |
| tsp  |  |  | I/L |  |  | Toussian, Northern |  |  |  |  |  |
| tsq  |  |  | I/L |  |  | Thai Sign Language |  |  | 泰国手语 |  |  |
| tsr  |  |  | I/L |  |  | Akei |  |  |  |  |  |
| tss  |  |  | I/L |  |  | Taiwan Sign Language |  |  | 台湾手语 |  |  |
| tst  |  |  | I/L |  |  | Tondi Songway Kiini |  |  |  |  |  |
| tsu  |  |  | I/L |  |  | Tsou |  |  | 邹语 |  | Tsou |
| tsv  |  |  | I/L |  |  | Tsogo |  |  |  | тсого |  |
| tsw  |  |  | I/L |  |  | Tsishingini |  |  |  |  |  |
| tsx  |  |  | I/L |  |  | Mubami |  |  |  |  |  |
| tsy  |  |  | I/L |  |  | Tebul Sign Language |  |  |  |  |  |
| tsz  |  |  | I/L |  |  | Purepecha |  |  |  |  |  |
| tta  |  |  | I/E |  |  | Tutelo | tutelo | tutelo |  |  |  |
| ttb  |  |  | I/L |  |  | Gaa |  |  |  |  |  |
| ttc  |  |  | I/L |  |  | Tektiteko |  |  |  |  |  |
| ttd  |  |  | I/L |  |  | Tauade |  |  |  |  |  |
| tte  |  |  | I/L |  |  | Bwanabwana |  |  |  |  |  |
| ttf  |  |  | I/L |  |  | Tuotomb |  |  |  |  |  |
| ttg  |  |  | I/L |  |  | Tutong 2 |  |  |  |  |  |
| tth  |  |  | I/L |  |  | Ta'oih, Upper |  |  |  |  |  |
| tti  |  |  | I/L |  |  | Tobati |  |  |  |  |  |
| ttj  |  |  | I/L |  |  | Tooro |  |  |  |  |  |
| ttk  |  |  | I/L |  |  | Totoro |  |  |  |  |  |
| ttl  |  |  | I/L |  |  | Totela |  |  |  |  |  |
| ttm  |  |  | I/L |  |  | Tutchone, Northern |  |  |  |  |  |
| ttn  |  |  | I/L |  |  | Towei |  |  |  |  |  |
| tto  |  |  | I/L |  |  | Ta'oih, Lower |  |  |  |  |  |
| ttp  |  |  | I/L |  |  | Tombelala |  |  |  |  |  |
| ttq  |  |  | I/L |  | تَمَاجِقْ | Tamajaq, Tawallammat |  |  |  |  |  |
| ttr  |  |  | I/L |  |  | Tera |  |  |  |  |  |
| tts  |  |  | I/L |  | ภาษาอีสาน | Thai, Northeastern |  |  | 依善泰语 |  |  |
| ttt  |  |  | I/L |  | Tati, тати | Tat, Muslim | tat |  | 塔特语 |  |  |
| ttu  |  |  | I/L |  |  | Torau |  |  |  |  |  |
| ttv  |  |  | I/L |  |  | Titan |  |  |  |  |  |
| ttw  |  |  | I/L |  |  | Kenyah, Tutoh |  |  |  |  |  |
| (ttx)  |  |  |  |  |  | Tutong 1 |  |  |  |  |  |
| tty  |  |  | I/L |  |  | Sikaritai |  |  |  |  |  |
| ttz  |  |  | I/L |  |  | Tsum |  |  |  |  |  |
| tua  |  |  | I/L |  |  | Wiarumus |  |  |  |  |  |
| tub  |  |  | I/E |  |  | Tübatulabal |  |  |  |  |  |