The Brock Citizen is a weekly, community newspaper in Cannington, Ontario, Canada, that was established in 1996 combining the Beaverton Express, the Cannington Gleamer and Sunderland Sun newspapers.

The current publisher is Dana Robbins, and the editor-in-chief is Marcus Tully.

The Citizen serves Beaverton, Cannington and Sunderland and surrounding area.

While the paper is delivered on Thursdays, any breaking news is posted any day online.

Old issues of the Brock Citizen ranging from 1996 to 2000 are available at the Cannington Public Library.