Switzerland
conventional long form: Swiss Confederation
conventional short form: Switzerland
local long form: Schweizerische Eidgenossenschaft (German);
Confederation Suisse (French); Confederazione Svizzera (Italian);
Confederaziun Svizra (Romansh)
local short form: Schweiz (German); Suisse (French); Svizzera
(Italian); Svizra (Romansh)

Syria
conventional long form: Syrian Arab Republic
conventional short form: Syria
local long form: Al Jumhuriyah al Arabiyah as Suriyah
local short form: Suriyah
former: United Arab Republic (with Egypt)

Taiwan
conventional long form: none
conventional short form: Taiwan
local long form: none
local short form: T'ai-wan
former: Formosa

Tajikistan
conventional long form: Republic of Tajikistan
conventional short form: Tajikistan
local long form: Jumhurii Tojikiston
local short form: Tojikiston
former: Tajik Soviet Socialist Republic

Tanzania
conventional long form: United Republic of Tanzania
conventional short form: Tanzania
local long form: Jamhuri ya Muungano wa Tanzania
local short form: Tanzania
former: United Republic of Tanganyika and Zanzibar

Thailand
conventional long form: Kingdom of Thailand
conventional short form: Thailand
local long form: Ratcha Anachak Thai
local short form: Prathet Thai
former: Siam

Timor-Leste
conventional long form: Democratic Republic of
Timor-Leste (pronounced TEE-mor LESS-tay)
conventional short form: Timor-Leste
local long form: Republika Demokratika Timor Lorosa'e [Tetum];
Republica Democratica de Timor-Leste [Portuguese]
local short form: Timor Lorosa'e [Tetum]; Timor-Leste [Portuguese]
former: East Timor, Portuguese Timor

Togo
conventional long form: Togolese Republic
conventional short form: Togo
local long form: Republique togolaise
local short form: none
former: French Togoland

Tokelau
conventional long form: none
conventional short form: Tokelau

Tonga
conventional long form: Kingdom of Tonga
conventional short form: Tonga
local long form: Pule'anga Tonga
local short form: Tonga
former: Friendly Islands