|
|-
|oto|| ||[[:en:Otomian languages|Otomian languages]]
|ota|| ||[[:en:Turkish, Ottoman|Turkish, Ottoman]] (พ.ศ. 2043-2471 หรือ ค.ศ.1500-1928)
|-
|}
!639-2!!639-1!!ภาษา
|-
|tlg||tl||[[ภาษาตากาล็อก]] *ภาษาตากาลอค([[:en:Tagalog|Tagalog]])
|-
|tah||ty||[[:en:Tahitian language|Tahitian]]
|-
|tai|| ||[[:en:Tai|Tai]] ''(Other)''
|tgk||tg||[[ภาษาทาจิก]] ▼|-
▲|tgk||tg||[[ภาษาทาจิก]] ([[:en:Tajik|Tajik]])
|tmh|| ||[[Tamashek language|Tamashek]] ▼|-
▲|tmh|| ||[[ :en:Tamashek language|Tamashek]]
|-
▲|tam||ta||[[ภาษาทมิฬ]] ([[:en:Tamil|Tamil]])
|tat||tt||[[Tatar language|Tatar]] ▼|-
|teltat||tett||[[ภาษาเตลุคู]] (Telugu:en:Tatar language)|Tatar]]
|-
|tertel|| te||[[Tereno:en:Telugu language|TerenoTelugu]]
|-
|tetter|| :;||[[ภาษาเตตุม:en:Tereno language|Tereno]] (Tetum)
|-
|thatet||th ||[[ภาษาไทยเตตุม]] ([[:en:Tetum|Tetum]])
|-
|tha||th||[[ภาษาไทย]] ([[:en:Thai|Thai]])
|tib/bod||bo||[[Tibetan language|Tibetan]]
|-
|tigtib/bod|| bo||[[Tigre:en:Tibetan language|TigreTibetan]]
|-
▲| tattig|| tt ||[[ Tatar:en:Tigre language| TatarTigre]]
|tir||ti||[[ภาษาทีกรินยา]] (Tigrinya language); Tigrigna
|-
|temtir|| ti||[[Timne:en:Tigrinya language|TimneTigrinya]]
|-
|tivtem|| ||[[Tivi:en:Timne language|TiviTimne]]
|-
|tlitiv|| ||[[Tlingit:en:Tiv language|TlingitTiv]]
|-
|tpitlh|| ||[[ภาษาทอค พีซิน:en:Klingon|Klingon]]; tlhIngan-Hol
|-
|togtli|| ||[[Tonga:en:Tlingit language|TongaTlingit]]
|-
|tpi|| ||[[ภาษาทอค พีซิน]] ([[:en:Tok Pisin||Tok Pisin]])
|ton||to||[[Tongan language|Tongan]] ▼|-
|trutkl|| ||[[Trukese language:en:Tokelau|TrukeseTokelau]]
|-
|tsitog|| ||[[Tsimshian:en:Tonga language|TsimshianTonga]] (Nyasa)
|-
|tsoton||tsto||[[Tsonga:en:Tonga language|TsongaTonga]] (Tonga Islands)
|-
|tsntsi||tn ||[[Tswana:en:Tsimshian language|TswanaTsimshian]]
|-
|tumtso|| ts||[[Tumbuka:en:Tsonga language|TumbukaTsonga]]
|-
|tuptsn|| tn||[[Tupi:en:Tswana languageslanguage|TupiTswana]]
|-
▲| tontum|| to ||[[ Tongan:en:Tumbuka language| TonganTumbuka]]
|tur||tr||[[ภาษาตุรกี]] (Turkish)
|-
|otatup|| ||[[Turkish,:en:Tupi Ottoman]]languages|Tupi ([[1500]] - [[1928languages]])
|tur||tr||[[:en:Turkish||Tuekish]]
|-
|tuk||tk||[[ภาษาเติร์กเมน]] [[:en:Turkmen language|Turkmen]]
|-
|tyvtvl|| ||[[Tuvinian language:en:Tuvalu|TuvinianTuvalu]]
|-
|tyv|| ||[[:en:Tuvinian language|Tuvinian]]
|-
|twi||tw||[[:en:Twi language|Twi]]
|}
<br>
| 