word | | Country name |
| Guinee | Equatorial Guinea | ... long form: Republic of Equatorial Guinea conventional short form: Equatorial Guinea local long form: Republica de Guinea Ecuatorial/Republique de Guinee equatoriale local short form: Guinea Ecuatorial/Guinee equatoriale former: Spanish Guinea |
| Guinee | Guinea | conventional long form: Republic of Guinea conventional short form: Guinea local long form: Republique de Guinee local short form: Guinee former: French Guinea |
| guitar | Qatar | ... State of Qatar conventional short form: Qatar local long form: Dawlat Qatar local short form: Qatar note: closest approximation of the native pronunciation falls between cutter and gutter, but not like guitar |
| guk | Korea, South | conventional long form: Republic of Korea conventional short form: South Korea local long form: Taehan-min'guk local short form: Han'guk abbreviation: ROK |
| gutter | Qatar | ... State of Qatar conventional short form: Qatar local long form: Dawlat Qatar local short form: Qatar note: closest approximation of the native pronunciation falls between cutter and gutter, but not like guitar |
| Guyana | Guyana | conventional long form: Cooperative Republic of Guyana conventional short form: Guyana former: British Guiana |
| Gyalkhap | Bhutan | conventional long form: Kingdom of Bhutan conventional short form: Bhutan local long form: Druk Gyalkhap local short form: Druk Yul |
| Hagere | Eritrea | conventional long form: State of Eritrea conventional short form: Eritrea local long form: Hagere Ertra local short form: Ertra former: Eritrea Autonomous Region in Ethiopia |
| Haiti | Haiti | conventional long form: Republic of Haiti conventional short form: Haiti local long form: Republique d'Haiti/Repiblik d' Ayiti local short form: Haiti/Ayiti |
| Han | Korea, South | conventional long form: Republic of Korea conventional short form: South Korea local long form: Taehan-min'guk local short form: Han'guk abbreviation: ROK |
| Hanrapetut | Armenia | conventional long form: Republic of Armenia conventional short form: Armenia local long form: Hayastani Hanrapetut'yun local short form: Hayastan former: Armenian Soviet Socialist Republic, Armenian Republic |
| Harvey | Cook Islands | conventional long form: none conventional short form: Cook Islands former: Harvey Islands |
| Hashemite | 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 |
| Hashimiyah | 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 |
| Hayastan | Armenia | conventional long form: Republic of Armenia conventional short form: Armenia local long form: Hayastani Hanrapetut'yun local short form: Hayastan former: Armenian Soviet Socialist Republic, Armenian Republic |
| Hayastani | Armenia | conventional long form: Republic of Armenia conventional short form: Armenia local long form: Hayastani Hanrapetut'yun local short form: Hayastan former: Armenian Soviet Socialist Republic, Armenian Republic |
| Heard | Heard Island and McDonald Islands | conventional long form: Territory of Heard Island and McDonald Islands conventional short form: Heard Island and McDonald Islands abbreviation: HIMI |
| Hebrides | Vanuatu | conventional long form: Republic of Vanuatu conventional short form: Vanuatu local long form: Ripablik blong Vanuatu local short form: Vanuatu former: New Hebrides |
| Helena | Saint Helena | conventional long form: none conventional short form: Saint Helena |
| Hellenic | Greece | conventional long form: Hellenic Republic conventional short form: Greece local long form: Elliniki Dhimokratia local short form: Ellas or Ellada former: Kingdom of Greece |
| Henderson | Pitcairn Islands | conventional long form: Pitcairn, Henderson, Ducie, and Oeno Islands conventional short form: Pitcairn Islands |
| Hercegovina | Bosnia and Herzegovina | ... form: none conventional short form: Bosnia and Herzegovina local long form: none local short form: Bosna i Hercegovina former: People's Republic of Bosnia and Herzegovina, Socialist Republic of Bosnia and Herzegovina |
| Herzegovina | Bosnia and Herzegovina | conventional long form: none conventional short form: Bosnia and Herzegovina local long form: none local short form: Bosna i Hercegovina former: People's Republic of Bosnia and Herzegovina, Socialist Republic of Bosnia ... |