The Allied leaders of World War II listed below comprise the important political and military figures who fought for or supported the Allies during World War II. Engaged in total war, they had to adapt to new types of modern warfare, on the military, psychological and economic fronts.

Free Albania

Kingdom of Belgium

United States of Brazil (1942–1945)

British Empire and Commonwealth

Australia

Canada

New Zealand

British Raj India

Union of South Africa

United Kingdom of Great Britain and Northern Ireland

Malayan Union British Malaya

Newfoundland

British Mandate for Palestine

Southern Rhodesia

Republic of China

Republic of Cuba (1941–1945)

Free Czechoslovak Republic

Kingdom of Denmark (1940–1945)

Kingdom of Egypt

Ethiopian Empire

French Republic

Free French Forces (and later Fighting France and Provisional government of the French Republic)

Kingdom of Greece (1940–1945)

Imperial State of Iran (after Anglo-Soviet Invasion)

Provisional Government of the Republic of Korea

Republic of Liberia

Grand Duchy of Luxembourg

United Mexican States (1942–1945)

Mongolian People's Republic

Kingdom of the Netherlands (1940–1945)

Kingdom of Norway

Second Polish Republic

Polish Government in Exile and Secret State

Soviet Union (1941–1945)

United States (1941–1945)

European and North African Front

Pacific Front

Puerto Rico

[Left to right: Major General Geiger, Corps Commander; Colonel Silverthorn, Corps Chief of Staff

and Brigadier General del Valle, Corps Artillery Commander, examine a plaster relief map of Guam on board the USS Appalachian. | upload.wikimedia.org/wikipedia/commons/b/ba/Pedro///del///Valle2.jpg]

Commonwealth of the Philippines

Kingdom of Yugoslavia