Common Cause is a watchdog group based in Washington, D.C.
(The) Common Cause may also refer to: Common Cause (South Australia), an organization formed during World War II to consider post-war reconstruction Common Cause (India), a non-governmental organization based in New Delhi Common Cause, the journal of the Australian Coal and Shale Employees' Federation edited by Sam Rosa Common Cause Magazine, a political and investigative journal founded by Florence Graves Common Cause Partnership, an Anglican alliance in North America Common cause and special cause (statistics), a concept in statistics Common Cause (magazine), a periodical (1947–1951) devoted to advocating world government Common Cause, a U.K. organization founded by C. A. Smith in 1951 Common Cause - No Aircraft Noise, a minor Australian political party that operated from 1995 until 1999 Spilna Sprava (), a Ukrainian radical opposition group The Common Cause (film), a lost 1919 American silent comedy film The Common Cause (newspaper), a newspaper representing the views of the National Union of Women's Suffrage Societies
See also For Common Cause, a London-based charity founded in April 2013 Our Common Cause, (French: Notre Cause Commune, NCC), a political party in Benin Spurious relationship, relationship based on a shared cause