The Second Canadian Ministry was the cabinet chaired by Prime Minister Alexander Mackenzie. It governed Canada from 7 November 1873 to 8 October 1878, including the last two months of the 2nd Canadian Parliament as well as all of the 3rd. The government was formed by the Liberal Party of Canada.

The First Canadian Ministry was the first cabinet chaired by Prime Minister John A. Macdonald. It governed Canada from 1 July 1867 to 5 November 1873, including all of the 1st Canadian Parliament as well as the first eight months of the Second. The government was formed by the Liberal-Conservative Party in coalition with the old Conservative Party of Canada. Macdonald was also Prime Minister in the Third Canadian Ministry.