Common Cause (disambiguation)

Common Cause is a watchdog group based in Washington, D.C.

Common Cause may also refer to:
 * Common Cause (South Australia), an organization formed during World War II to consider post-war reconstruction
 * Common Cause, the journal of the Australian Coal and Shale Employees' Federation edited by Sam Rosa
 * Common Cause Magazine, an award-winning 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, edited by Elisabeth Mann Borgese
 * 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 (Common Cause), a Ukrainian radical opposition group