The Brewster ministry was the combined Cabinet (formally the Executive Council of British Columbia) that governed British Columbia from November 23, 1916, to March 1, 1918.

It was led by Harlan Carey Brewster, the 18th premier of British Columbia, and was composed of members of the Liberal Party.

The Brewster ministry was established following the victory of the Liberals in the 1916 election.

It governed in the first half of the 14th Parliament of British Columbia up to Harlan Carey Brewster's death on March 1, 1918.