John Cromwell

John Cromwell may refer to:


 * John Cromwell (director) (1887–1979), American film director and producer; grandfather of the actor by the same name
 * John P. Cromwell (1901–1943), American naval officer
 * John Wesley Cromwell (1846–1927), editor, journalist and civil rights activist in Washington, DC
 * John Cromwell (actor), American actor, grandson of the director and son of actor James Cromwell