Saudi Arabia
conventional long form: Kingdom of Saudi Arabia
conventional short form: Saudi Arabia
local long form: Al Mamlakah al Arabiyah as Suudiyah
local short form: Al Arabiyah as Suudiyah
Senegal
conventional long form: Republic of Senegal
conventional short form: Senegal
local long form: Republique du Senegal
local short form: Senegal
Serbia and Montenegro
conventional long form: Serbia and Montenegro
conventional short form: none
local long form: Srbija i Crna Gora
local short form: none
Seychelles
conventional long form: Republic of Seychelles
conventional short form: Seychelles
Sierra Leone
conventional long form: Republic of Sierra Leone
conventional short form: Sierra Leone
Singapore
conventional long form: Republic of Singapore
conventional short form: Singapore
Slovakia
conventional long form: Slovak Republic
conventional short form: Slovakia
local long form: Slovenska Republika
local short form: Slovensko
Slovenia
conventional long form: Republic of Slovenia
conventional short form: Slovenia
local long form: Republika Slovenija
local short form: Slovenija
Solomon Islands
conventional long form: none
conventional short form: Solomon Islands
former: British Solomon Islands
Somalia
conventional long form: none
conventional short form: Somalia
former: Somali Republic, Somali Democratic Republic