word | | Country name |
| conventional | Honduras | conventional long form: Republic of Honduras conventional short form: Honduras local long form: Republica de Honduras local short form: Honduras |
| conventional | Hong Kong | conventional long form: Hong Kong Special Administrative Region conventional short form: Hong Kong official long form: Xianggang Tebie Xingzhengqu official short form: Xianggang abbreviation: HK |
| conventional | Hungary | conventional long form: none conventional short form: Hungary local long form: none local short form: Magyarorszag |
| conventional | Iceland | conventional long form: Republic of Iceland conventional short form: Iceland local long form: Lydveldid Island local short form: Island |
| conventional | India | conventional long form: Republic of India conventional short form: India local long form: Republic of India/Bharatiya Ganarajya local short form: India/Bharat |
| conventional | Indonesia | conventional long form: Republic of Indonesia conventional short form: Indonesia local long form: Republik Indonesia local short form: Indonesia former: Netherlands East Indies, Dutch East Indies |
| conventional | 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 |
| conventional | Iraq | conventional long form: Republic of Iraq conventional short form: Iraq local long form: Jumhuriyat al-Iraq local short form: Al Iraq |
| conventional | Ireland | conventional long form: none conventional short form: Ireland local long form: none local short form: Eire |
| conventional | Isle of Man | conventional long form: none conventional short form: Isle of Man abbreviation: I.O.M. |
| conventional | Israel | conventional long form: State of Israel conventional short form: Israel local long form: Medinat Yisra'el local short form: Yisra'el |
| conventional | Italy | conventional long form: Italian Republic conventional short form: Italy local long form: Repubblica Italiana local short form: Italia former: Kingdom of Italy |