word | | Nationality |
| adjective | Guinea | noun: Guinean(s) adjective: Guinean |
| adjective | Guinea-Bissau | noun: Guinean(s) adjective: Guinean |
| adjective | Guyana | noun: Guyanese (singular and plural) adjective: Guyanese |
| adjective | Haiti | noun: Haitian(s) adjective: Haitian |
| adjective | Holy See (Vatican City) | noun: none adjective: none |
| adjective | Honduras | noun: Honduran(s) adjective: Honduran |
| adjective | Hong Kong | noun: Chinese/Hong Konger adjective: Chinese/Hong Kong |
| adjective | Hungary | noun: Hungarian(s) adjective: Hungarian |
| adjective | Iceland | noun: Icelander(s) adjective: Icelandic |
| adjective | India | noun: Indian(s) adjective: Indian |
| adjective | Indonesia | noun: Indonesian(s) adjective: Indonesian |
| adjective | Iran | noun: Iranian(s) adjective: Iranian |
| adjective | Iraq | noun: Iraqi(s) adjective: Iraqi |
| adjective | Ireland | noun: Irishman(men), Irishwoman(women), Irish (collective plural) adjective: Irish |
| adjective | Isle of Man | noun: Manxman (men), Manxwoman (women) adjective: Manx |
| adjective | Israel | noun: Israeli(s) adjective: Israeli |
| adjective | Italy | noun: Italian(s) adjective: Italian |
| adjective | Jamaica | noun: Jamaican(s) adjective: Jamaican |