l long form: Republik Indonesia
local short form: Indonesia
former: Netherlands East Indies; Dutch East Indies

Iran
conventional long form: Islamic Republic of Iran
conventional short form: Iran
local long form: Jomhuri-ye Eslami-ye Iran
local short form: Iran
former: Persia

Iraq
conventional long form: Republic of Iraq
conventional short form: Iraq
local long form: Al Jumhuriyah al Iraqiyah
local short form: Al Iraq

Ireland
conventional long form: none
conventional short form: Ireland
local long form: none
local short form: Eire

Isle of Man
conventional long form: none
conventional short form: Isle of Man

Israel
conventional long form: State of Israel
conventional short form: Israel
local long form: Medinat Yisra'el
local short form: Yisra'el

Italy
conventional long form: Italian Republic
conventional short form: Italy
local long form: Repubblica Italiana
local short form: Italia
former: Kingdom of Italy

Jamaica
conventional long form: none
conventional short form: Jamaica

Jan Mayen
conventional long form: none
conventional short form: Jan Mayen

Japan
conventional long form: none
conventional short form: Japan
local long form: Nihon-koku/Nippon-koku
local short form: Nihon/Nippon

Jarvis Island
conventional long form: none
conventional short form: Jarvis Island

Jersey
conventional long form: Bailiwick of Jersey
conventional short form: Jersey

Johnston Atoll
conventional long form: none
conventional short form: Johnston Atoll

Jordan
conventional long form: Hashemite Kingdom of Jordan
conventional short form: Jordan
local long form: Al Mamlakah al Urduniyah al Hashimiyah
local short form: Al Urdun
former: Transjordan

Juan de Nova Island
conventional long form: none
conventional short form: Juan de Nova Island
local long form: none
local short form: Ile Juan de Nova

Kazakhstan
conventional long form: Republic of Kazakhstan
conventional short form: Kazakhstan
local long form: Qazaqstan Respublikasy
local short form: Qazaqstan
former: Kazakh Soviet Socialist Republic

Kenya
conventional long form: Republic of Kenya
conventional short form: Kenya
local long form: Republic of Kenya/Jamhuri y Kenya
local short form: Kenya
former: British East Africa

Kingman Reef
conventional long form: none
conventional short form: Kingman Reef

Kiri