The Communist Party of Canada is a communist party from Canada. It was founded in 1921 as an illegal organisation with a legal sister party the Workers' Party of Canada. Eight of its leaders were imprisoned in 1931 under Section 98 of Canada's Criminal Code. The Communist Party opposed Canada's entry into World War 2 until the collapse of the Hitler Stalin pact.

They had their first MP elected in 1940 and had other members elected as members of the Labour Progressive Party.

In common with most communist parties it went through a crisis after the collapse of the Soviet Union. In 1992 it changed its leadership and resisted pressures to reform.

It publishes a paper called The People's Voice.

The Communist Party is one of two Communist Parties in Canada, the other is the Marxist-Leninist Party of Canada

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