The 25th Canadian Parliament was in session from September 27, 1962, until February 6, 1963. The membership was set by the 1962 federal election on June 18, 1962, and it changed only somewhat due to resignations and by-elections until it was dissolved prior to the 1963 election.

The 1962 Canadian federal election was held on June 18, 1962, to elect members of the House of Commons of Canada of the 25th Parliament of Canada. The governing Progressive Conservative (PC) Party won a plurality of seats in this election, and its majority government was reduced to a minority government.