Widener can refer to:
Places Widener Library, of Harvard University Widener University, a private university in Chester, Pennsylvania Widener University School of Law, the law school of Widener University Widener, Arkansas, a town in St. Francis County, Arkansas, United States
People Widener (surname), list of people with the surname
See also Rhône (The) v. Peter A.B. Widener (The)