The Croix de Guerre 1939–1945 (English: War Cross 1939–1945) is a French military decoration, a version of the Croix de Guerre created on 26 September 1939 to honour people who fought with the Allies against the Axis forces at any time during World War II.

Due to the large extent of the war zone, recipients included those who fought during, with, at, or in the following:[1] The Croix de Guerre was designed by the sculptor Paul-Albert Bartholomé.

[1] The suspension and service ribbon of the medal has a red background crossed with four green lines in its center.

Following the German invasion and occupation of France in May 1940, the French collaborationist government (Vichy France; officially called État français, the "French State") created two croix during World War II, both utilizing a black-and-green ribbon pattern instead of the original red-and-green.

The Vichy Croix de Guerre employed the same tiered citations for the award as the officially-recognised version, excluding the added gilt palm.