Countries in Europe The following are the common and official names of countries in Europe:
- Albania – Republic of Albania
- Andorra – Principality of Andorra
- Austria – Republic of Austria
- Belarus – Republic of Belarus
- Belgium – Kingdom of Belgium
- Bosnia and Herzegovina – Bosnia and Herzegovina
- Bulgaria – Republic of Bulgaria
- Croatia – Republic of Croatia
- Czech Republic – Czech Republic
- Denmark – Kingdom of Denmark
- Estonia – Republic of Estonia
- Finland – Republic of Finland
- France – French Republic
- Germany – Federal Republic of Germany
- Greece – Hellenic Greece
- Holy See – Holy See
- Hungary – Hungary
- Iceland – Republic of Iceland
- Ireland – Ireland
- Italy – Republic of Italy
- Latvia – Republic of Latvia
- Liechtenstein – Liechtenstein
- Lithuania – Republic of Lithuania
- Luxembourg – Grand Duchy of Luxembourg
- Malta – Republic of Malta
- Moldova – Republic of Moldova
- Monaco – Principality of Monaco
- Montenegro – Montenegro
- Netherlands – Kingdom of the Netherlands
- North Macedonia – Republic of North Macedonia
- Norway – Kingdom of Norway
- Poland – Republic of Poland
- Portugal – Portuguese Republic
- Romania – Romania
- Russia – Russian Federation
- San Marino – Republic of San Marino
- Serbia – Republic of Serbia
- Slovakia – Slovak Republic
- Slovenia – Republic of Slovenia
- Spain – Kingdom of Spain
- Sweden – Kingdom of Sweden
- Switzerland – Swiss Confederation
- Turkey – Republic of Turkey
- Ukraine – Ukraine
- United Kingdom – United Kingdom of Great Britain and Northern Ireland
Countries in North America The following are the common and official names of countries in North America:
- Antigua and Barbuda – Antigua and Barbuda
- Bahamas – Commonwealth of the Bahamas
- Barbados – Barbados
- Belize – Belize
- Bermuda – Bermuda
- Canada – Canada
- Costa Rica – Republic of Costa Rica
- Cuba – Republic of Cuba
- Dominica – Commonwealth of Dominica
- Dominican Republic – Dominican Republic
- El Salvador – Republic of El Salvador
- Grenada – Grenada
- Guatemala – Republic of Guatemala
- Haiti – Republic of Haiti
- Honduras – Republic of Honduras
- Jamaica – Jamaica
- Mexico – United Mexican States
- Nicaragua – Republic of Nicaragua
- Panama – Republic of Panama
- St. Kitts and Nevis – Saint Kitts and Nevis
- St. Lucia – Saint Lucia
- St. Vincent and The Grenadines – Saint Vincent and The Grenadines
- Trinidad and Tobago – Republic of Trinidad and Tobago
- United States – United States of America
Countries in South America The following are the common and official names of countries in South America:
- Argentina – Argentine Republic
- Bolivia – Plurinational State of Bolivia
- Brazil – Federative Republic of Brazil
- Chile – Republic of Chile
- Colombia – Republic of Colombia
- Ecuador – Republic of Ecuador
- Guyana – Republic of Guyana
- Paraguay – Republic of Paraguay
- Peru – Republic of Peru
- Suriname – Republic of Suriname
- Uruguay – Eastern Republic of Uruguay
- Venezuela – Bolivarian Republic of Venezuela
Countries in Africa The following are the common and official names of countries in Africa:
- Algeria – People’s Democratic Republic of Algeria
- Angola – Republic of Angola
- Benin – Republic of Benin
- Botswana – Republic of Botswana
- Burkina Faso – Burkina Faso
- Burundi – Republic of Burundi
- Cameroon – Republic of Cameroon
- Carbo Verde (formerly Cape Verde) – Republic of Carbo Verde
- Central African Republic – Central African Republic
- Chad – Republic of Chad
- Comoros – Union of the Comoros
- Côte d’Ivoire – Republic of Côte d’Ivoire
- Democratic Republic of the Congo – Democratic Republic of the Congo
- Djibouti – Republic of Djibouti
- Egypt – Arab Republic of Egypt
- Equatorial Guinea – Republic of Equatorial Guinea
- Eritrea – State of Eritrea
- Eswatini (formerly Swaziland) – Kingdom of Eswatini
- Ethiopia – Federal Democratic Republic of Ethiopia
- Gabon – Gabonese Republic
- Gambia – Republic of the Gambia
- Ghana – Republic of Ghana
- Guinea – Republic of Guinea
- Guinea-Bissau – Republic of Guinea-Bissau
- Kenya – Republic of Kenya
- Lesotho – Kingdom of Lesotho
- Liberia – Republic of Liberia
- Libya – State of Libya
- Madagascar – Republic of Madagascar
- Malawi – Republic of Malawi
- Mali – Republic of Mali
- Mauritania – Islamic Republic of Mauritania
- Mauritius – Republic of Mauritius
- Morocco – Kingdom of Morocco
- Mozambique – Republic of Mozambique
- Namibia – Republic of Namibia
- Niger – Republic of the Niger
- Nigeria – Federal Republic of Nigeria
- Republic of the Congo – Republic of the Congo
- Rwanda – Republic of Rwanda
- Sao Tome and Principe – Democratic Republic of Sao Tome and Principe
- Senegal – Republic of Senegal
- Seychelles – Republic of Seychelles
- Sierra Leone – Republic of Sierra Leone
- Somalia – Federal Republic of Somalia
- South Africa – Republic of South Africa
- South Sudan – Republic of South Sudan
- Sudan – Republic of the Sudan
- Tanzania – United Republic of Tanzania
- Togo – Togolese Republic
- Tunisia – Republic of Tunisia
- Uganda – Republic of Uganda
- Zambia – Republic of Zambia
- Zimbabwe – Republic of Zimbabwe
Countries in Asia The following are the common and official names of countries in Asia:
- Afghanistan – Islamic Republic of Afghanistan
- Armenia – Republic of Armenia
- Azerbaijan – Republic of Azerbaijan
- Bahrain – Kingdom of Bahrain
- Bangladesh – People’s Republic of Bangladesh
- Bhutan – Kingdom of Bhutan
- Brunei – Brunei Darussalam
- Burma – Republic of the Union of Myanmar
- Cambodia – Kingdom of Cambodia
- China – People’s Republic of China
- Cyprus – Republic of Cyprus
- Georgia – Georgia
- India – Republic of India
- Indonesia – Republic of Indonesia
- Iran – Islamic Republic of Iran
- Iraq – Republic of Iraq
- Israel – State of Israel
- Japan – Japan
- Jordan – Hashemite Kingdom of Jordan
- Kazakhstan – Republic of Kazakhstan
- Kuwait – State of Kuwait
- Kyrgyzstan – Kyrgyz Republic
- Laos – Laos People’s Democratic Republic
- Lebanon – Lebanese Republic
- Malaysia – Malaysia
- Maldives – Republic of Maldives
- Mongolia – Mongolia
- Nepal – Federal Democratic Republic of Nepal
- North Korea – Democratic People’s Republic of Korea
- Oman – Sultanate of Oman
- Pakistan – Islamic Republic of Pakistan
- Palestine – State of Palestine
- Philippines – Republic of the Philippines
- Qatar – State of Qatar
- Saudi Arabia – Kingdom of Saudi Arabia
- Singapore – Republic of Singapore
- South Korea – Republic of Korea
- Sri Lanka – Democratic Socialist Republic of Sri Lanka
- Syria – Syrian Arab Republic
- Tajikistan – Republic of Tajikistan
- Thailand – Kingdom of Thailand
- Timor-Leste – Democratic Republic of Timor-Leste
- Turkey – Republic of Turkey
- Turkmenistan – Turkmenistan
- United Arab Emirates – United Arab Emirates
- Uzbekistan – Republic of Uzbekistan
- Vietnam – Socialist Republic of Viet Nam
- Yemen – Republic of Yemen
Countries in Australia The following are the common and official names of countries in Australia:
- Australia – Commonwealth of Australia
- Fiji – Republic of Fiji
- Kiribati – Republic of Kiribati
- Marshall Islands – Republic of the Marshall Islands
- Micronesia – Federated States of Micronesia
- Nauru – Republic of Nauru
- New Zealand – New Zealand
- Palau – Republic of Palau
- Papua New Guinea – State of Papua New Guinea
- Samoa – Independent State of Samoa
- Solomon Islands – Solomon Islands
- Tonga – Kingdom of Tonga
- Tuvalu – Tuvalu
- Vanuatu – Republic of Vanuatu