rm: Spain
local long form: Reino de Espana
local short form: Espana

Spratly Islands
conventional long form: none
conventional short form: Spratly Islands

Sri Lanka
conventional long form: Democratic Socialist Republic of
Sri Lanka
conventional short form: Sri Lanka
local long form: Shri Lamka Prajatantrika Samajaya di
Janarajaya/Ilankai Jananayaka Choshalichak Kutiyarachu
local short form: Shri Lamka/Ilankai
former: Serendib, Ceylon

Sudan
conventional long form: Republic of the Sudan
conventional short form: Sudan
local long form: Jumhuriyat as-Sudan
local short form: As-Sudan
former: Anglo-Egyptian Sudan

Suriname
conventional long form: Republic of Suriname
conventional short form: Suriname
local long form: Republiek Suriname
local short form: Suriname
former: Netherlands Guiana, Dutch Guiana

Svalbard
conventional long form: none
conventional short form: Svalbard (sometimes referred to as
Spitzbergen)

Swaziland
conventional long form: Kingdom of Swaziland
conventional short form: Swaziland
local long form: Umbuso weSwatini
local short form: eSwatini

Sweden
conventional long form: Kingdom of Sweden
conventional short form: Sweden
local long form: Konungariket Sverige
local short form: Sverige

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