The Lemon Party of Canada (Parti Citron) was a frivolous Canadian party which has operated on a federal level, as well as provincially in Quebec. The party was officially registered on January 8, 1987,^[1]by then leader, Denis R. Patenaude and deregistered on November 14, 1998 for failing to have at least ten candidates stand for election.^[2][3] The party was headed by "Pope Terence the First", whose existence is unconfirmed.^[4] Their official agent is Mary-Gabrielle Blay II.^[5]

Their 2004 national convention produced a platform of policies which were "placed in small green plastic boxes and sold to industrial pig farms in Mexico", according to a large party spokeswoman. The subsequent electoral campaign, under the slogan "For a bitter Canada," received minor, but sympathetic, media coverage.^[4] The Lemon Party prides itself on its record on fiscal discipline and in pushing for economic growth. Their economic plan was allegedly authored by Montreal economist Ianik Marcil.

The Lemon Party has not been officially registered as a political party since the early 1990s, when it was registered only in Quebec.