Group united by common cause.

The Francs-tireurs et partisans français, or commonly the Francs-tireurs et partisans, was an armed resistance organization created by leaders of the French Communist Party during World War II.

The Yugoslav Partisans,Serbo-Croatian, Macedonian, Slovene: , or the National Liberation Army,; ; officially the National Liberation Army and Partisan Detachments of Yugoslavia,; ; was the communist-led anti-fascist resistance to the Axis powers (chiefly Nazi Germany) in occupied Yugoslavia during World War II.

members of resistance movements that fought a guerrilla war against Axis forces during World War II in the Soviet Union, the previously Soviet-occupied territories of interwar Poland in 1941–45 and eastern Finland.

fighters in irregular military groups participating in the Slovak resistance movement, including against Nazi Germany and collaborationism during World War II.

a unit of Polish Jewish partisans who rescued Jews from extermination and fought the German occupiers and their collaborators around Novogrudok and Lida in German-occupied Poland (now western Belarus).

Anti-Soviet partisans may refer to various resistance movements that opposed the Soviet Union and its satellite states at various periods during the 20th century, between the Russian Revolution and the collapse of the Soviet Union.

a generic term used during World War II by Nazi officials and quoted in books by modern historians to describe Lithuanian anti-communist fighters, thus collaborators with the Nazis during the first months of the German occupation of Lithuania during World War II.

fighters in irregular military groups participating in the Jewish resistance movement against Nazi Germany and its collaborators during World War II.

Latvian national partisans were Latvian pro-independence partisans who waged guerrilla warfare against Soviet rule during and after the Second World War.