Sovereign-state flags in 1939

Sovereign states

Afghanistan

Albania (until 9 April)

Andorra - variant (until mid-1939)

Andorra - variant (until mid-1939)

Andorra (from mid-1939)

Argentina

Armenian Soviet Socialist Republic

Australia

Azerbaijan Soviet Socialist Republic

Belgium

Bolivia

Brazil

Bulgaria

Byelorussian Soviet Socialist Republic

Canada

Carpatho-Ukraine (15 to 18 March)

Chile

China

Colombia

Costa Rica

Cuba

Danzig (until 12 September)

Denmark

Dominican Republic

Ecuador

Egypt

El Salvador

Estonia

Finland

France

Georgian Soviet Socialist Republic

Germany

Greece

Guatemala

Hatay (until 7 July)

Haiti

Honduras

Hungary

Iceland

Iran

Iraq

Ireland

Italy

Japan

Kazakh Soviet Socialist Republic

Kirghiz Soviet Socialist Republic

Latvia

Liberia

Liechtenstein

Lithuania

Luxembourg

Mexico

Monaco

Nepal

Netherlands

Newfoundland

New Zealand

Nicaragua

Norway

Panama

Paraguay

Paraguay

Peru

Poland (until 1 September)

Portugal

Romania

Russian Soviet Federative Socialist Republic

San Marino

Saudi Arabia

Siam (until 23 June)/Thailand (from 23 June)

South Africa

Soviet Union

Spain (until 1 April)

Spain (from 1 April)

Sweden

Switzerland

Tajik Soviet Socialist Republic

Tibet

Turkey

Turkmen Soviet Socialist Republic

Ukrainian Soviet Socialist Republic

United Kingdom

United States

Uruguay

Uzbek Soviet Socialist Republic (until 1939)

Uzbek Soviet Socialist Republic (from 1939)

Vatican City

Venezuela

Yemen

Yugoslavia

Colonies, concessions, possessions, protectorates, mandates and territories

Australian Antarctic Territory (Australia)

Nauru (Australia)

New Guinea (Australia)

Norfolk Island (Australia)

Papua (Australia)

Belgian Congo (Belgium)

Ruanda-Urundi (Belgium)

Faroe Islands (Denmark)

Greenland (Denmark)

Anglo-Egyptian Sudan (Egypt and United Kingdom)

Åland (Finland)

Adélie Land (France)

Clipperton Island (France)

French Algeria (France)

French Cameroon (France)

French Chad (France)

French Equatorial Africa (France)

French Guiana (France)

French India (France)

French Indochina (France)

French Madagascar (France)

French Morocco (France)

French Oceania (France)

French Somaliland (France)

French Togoland (France)

French Tunisia (France)

French West Africa (France)

Gambier Islands (France)

Guadeloupe (France)

Hankou (France)

Inini (France)

Lebanon ​(France)

Martinique (France)

New Caledonia (France)

New Hebrides (France)

Saint Pierre and Miquelon (France)

Shanghai (France)

Syria (France)

Tientsin (France)

Wallis and Futuna (France)

Austria (Germany)

Bohemia and Moravia (from 15 March; Germany)

Albania (from 12 April; Italy)

Amoy (Italy)

Italian East Africa (Italy)

Italian Libya (Italy)

Shanghai (Italy)

Tientsin (Italy)

Hangzhou (Japan)

Hankou (Japan)

Karafuto (Japan)

Korea (Japan)

Kwantung (Japan)

Shashi (Japan)

South Seas Mandate (Japan)

Suzhou (Japan)

Taiwan (Japan)

Tientsin (Japan)

Curaçao and Dependencies (Netherlands)

Dutch East Indies (Netherlands)

Surinam (Netherlands)

Cook Islands (New Zealand)

Niue (New Zealand)

Ross Dependency (New Zealand)

Union Islands (New Zealand)

Western Samoa (New Zealand)

Bouvet Island (Norway)

Jan Mayen (Norway)

Peter I Island (Norway)

Queen Maud Land (from 14 January; Norway)

Svalbard (Norway)

Fort of São João Baptista de Ajudá (Portugal)

Portuguese Cape Verde (Portugal)

Portuguese Macau (Portugal)

Portuguese East Africa (Portugal)

Portuguese Guinea (Portugal)

Portuguese India (Portugal)

Portuguese Timor (Portugal)

Portuguese West Africa (Portugal)

Portuguese São Tomé and Príncipe (Portugal)

South West Africa (South Africa)

Ceuta (Spain)

Ifni (until 1 April; Spain)

Ifni (from 1 April; Spain)

Spanish Guinea (until 1 April; Spain)

Spanish Guinea (from 1 April; Spain)

Spanish Morocco (until 1 April; Spain)

Spanish Morocco (from 1 April; Spain)

Spanish Sahara (until 1 April; Spain)

Spanish Sahara (from 1 April; Spain)

Aden (United Kingdom)

Bahamas (United Kingdom)

Bahrain (United Kingdom)

Barbados (United Kingdom)

Basutoland (United Kingdom)

Bechuanaland (United Kingdom)

Bermuda (United Kingdom)

Bhutan (United Kingdom)

British Cameroons (United Kingdom)

British Guiana (United Kingdom)

British Honduras (United Kingdom)

British Leeward Islands (United Kingdom)

British Somaliland (United Kingdom)

British Togoland (United Kingdom)

British Western Pacific Territories (United Kingdom)

British Windward Islands (United Kingdom)

Brunei (United Kingdom)

Burma (until 6 February; United Kingdom)

Burma (from 6 February; United Kingdom)

Canton and Enderbury Islands ​(from 6 April; United Kingdom and United States)

Ceylon (United Kingdom)

Cyprus (United Kingdom)

Falkland Islands (United Kingdom)

Federated Malay States (United Kingdom)

Gambia (United Kingdom)

Gibraltar (until mid-1939; United Kingdom)

Gibraltar (from mid-1939; United Kingdom)

Gold Coast (United Kingdom)

Guernsey (United Kingdom)

Heard Island and McDonald Islands (United Kingdom)

Hong Kong (United Kingdom)

India (United Kingdom)

Isle of Man (United Kingdom)

Jamaica (United Kingdom)

Jersey (United Kingdom)

Johor (United Kingdom)

Kedah (United Kingdom)

Kelantan (United Kingdom)

Kenya (United Kingdom)

Kuwait (United Kingdom)

Maldives (United Kingdom)

Malta (United Kingdom)

Mauritius (United Kingdom)

Muscat and Oman (United Kingdom)

Nigeria (United Kingdom)

North Borneo (United Kingdom)

Northern Rhodesia (United Kingdom)

Nyasaland (United Kingdom)

Palestine (United Kingdom)

Perlis (United Kingdom)

Qatar (United Kingdom)

Saint Helena (United Kingdom)

Sarawak (United Kingdom)

Sark (United Kingdom)

Seychelles (United Kingdom)

Sierra Leone (United Kingdom)

Sikkim (United Kingdom)

South Orkney Islands (United Kingdom)

Southern Rhodesia (United Kingdom)

South Shetland Islands (United Kingdom)

Straits Settlements (United Kingdom)

Suez Canal Zone (United Kingdom)

Swaziland (United Kingdom)

Tanganyika (United Kingdom)

Terengganu (United Kingdom)

Tientsin (United Kingdom)

Transjordan (until 1939; United Kingdom)

Transjordan (from 1939; United Kingdom)

Trinidad and Tobago (United Kingdom)

Trucial States (United Kingdom)

Uganda (United Kingdom)

Victoria Land (United Kingdom)

Zanzibar (United Kingdom)

Alaska (United States)

American Samoa (United States)

Baker Island (United States)

Corn Islands (United States)

Guam (United States)

Hawaii (United States)

Howland Island (United States)

Jarvis Island (United States)

Johnston Atoll (United States)

Kingman Reef (United States)

Midway Atoll (United States)

Navassa Island (United States)

Palmyra Atoll (United States)

Panama Canal Zone (United States)

Petrel Islands (United States)

Philippines (United States)

Puerto Rico (United States)

Quita Sueno Bank (United States)

Roncador Bank (United States)

Serrana Bank (United States)

Serranilla Bank (United States)

Swan Islands (United States)

United States Virgin Islands (United States)

Wake Island (United States)

Australian states

New South Wales

Queensland

South Australia

Tasmania

Victoria

Western Australia

Canadian states

Alberta

British Columbia

Manitoba

New Brunswick

Northwest Territories

Nova Scotia

Ontario

Prince Edward Island

Quebec

Saskatchewan

Yukon Territory

U.S. states

Alabama

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

Other entities

Provisional Government of the Republic of China

Reformed Government of the Republic of China

Democratic Finland (from 1 December)

Provisional Government of the Republic of Korea

Manchukuo

Mengjiang (from 1 September)

Mongolia (disputed)

Mongol Union (until 1 September)

North Shanxi (until 1 September)

Poland (from 1 September)

Slovakia (from 14 March)

Tangier

Tuva (until late 1939)

Tuva (from late 1939)

Spanish State (until 1 April)

Chinese Communist Party

Other culturals

Buddhism

Esperanto

Pan-African Flag

Romani