Ann McBride Norton (June 23, 1944 – May 5, 2020) was an American activist and business executive. She was president of Common Cause, a non-partisan watchdog group based in Washington, D.C. from 1995 to 1999. She was born in Lafayette, Louisiana. In the 1970s, Norton was a volunteer at Common Cause during the Watergate scandal before becoming the chief lobbyist for Common Cause on Capitol Hill.