NDP and CCF leaders

Leader of the New Democratic Party of Canada (1950-2011)

Canadian politician, leader of the New Democratic Party

Scottish-born Canadian politician (1904-1986)

Canadian lawyer and politician

Canadian labour lawyer and social democratic politician (1909-1981)

Canadian politician and political scientist

Canadian politician

1st Leader of the Canadian Co-operative Commonwealth Federation

Canadian politician (1944–2022)

Canadian politician

Avram David "Avi" Lewis is a Canadian politician and filmmaker who has served as leader of the New Democratic Party (NDP) since 2026.

Canadian politician

Canadian politician (1888–1974)

Canadian politician (1921–1991)