List of Canadian politicians who have crossed the floor

See also List of Canadian politicians who have switched parties.

This is a list of Canadian politicians who have crossed the floor, in that they have changed party affiliation. These are Members of Parliament (MPs) unless otherwise noted.

• MPPs are Members of Provincial Parliament of Ontario
• MNAs are Members of the National Assembly of Quebec
• MHAs are Members of the House of Assembly of Newfoundland and Labrador
• MLAs are Members of the Legislative Assembly of other provinces

Pre-confederation

• 1866: Andrew Rainsford Wetmore, Anti-Confederate in the New Brunswick colonial legislature, joins the Confederation Party after failing to win a desired cabinet post.

1860s

• September 1, 1868: Stewart Campbell, formerly an Anti-Confederate MP, becomes a Liberal-Conservative......

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