Expeditionary Force may refer to:

• Expeditionary warfare, a military force dispatched to fight in a foreign country
• Expeditionary Force, a science fiction book series by Craig Alanson

Military formations with Expeditionary Force or the generally synonymous Expeditionary Corps in their name include:

• American Expeditionary Forces: to France (1917–1919)
• American North Russia Expeditionary Force (1918–1919)
• Australian Naval and Military Expeditionary Force: To German New Guinea (1914)
• First Australian Imperial Force: (1914–1919)
• Second Australian Imperial Force: (1939-1945)
• Brazilian Expeditionary Force: to Italy (1943–1945)
• British Expeditionary Force (World War I): to France and Belgium (1914–1918)
• British Expeditionary Force (World War II): to France and Belgium (1939–1940)
• Canadian Expeditionary Force: to France and Belgium (1914–1920)
• Chilean Expeditionary Force in War of the Pacific (1879–1883)
• Chinese Expeditionary Force: to Burma and India (1942–1945)
• Combined Joint Expeditionary Force (2010–present)
• Corps expeditionnaire d'Orient: to Gallipoli (1915–1916)
• Egyptian Expeditionary Force: British in Egypt, Sinai and Palestine Campaign (1916–1919)
• French Far East Expeditionary Corps: to French Indochina (1945–1956)
• Greek Expeditionary Force to Korea (1950–1958)
• Indian Expeditionary Force (1914–1918)
• Italian Expeditionary Force: French and British in Italy (1917–1918)
• Italian Expeditionary Corps in China (1900–1905)
• Italian Expeditionary Corps in Russia (1941–1945)
• Japanese Expeditionary Force to China (1939–1945)
• Marine Expeditionary Force
• Mediterranean Expeditionary Force (1915–1916)
• New Zealand Expeditionary Force (1914–1918) and (1940–1945)
  • Samoan Expeditionary Force from New Zealand in World War I
• Ottoman Hejaz Expeditionary Force (1916–1919)
• Ottoman 1st Expeditionary Force (1914–1915)
• Ottoman 5th Expeditionary Force (1914–1915)
• Philippine Expeditionary Forces to Korea (1950–1955)
• Portuguese Expeditionary Corps: to France and Belgium (1917–1918)
• Russian Expeditionary Force in France (1916–1918)
• the UK-led Joint Expeditionary Force (2010-)
• Kuwaiti Expeditionary Force Arab-israeli war (1967-1973)

Topics referred to by the same term

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