Widener is a surname of German origin. Notable people with the surname are as follows:
Chris Widener (born 1963), American politician Chris Widener (author) (born 1966), American author and motivational speaker Christine Ourmières-Widener (born 1964), French businesswoman Eleanor Elkins Widener (c. 1862–1937), American heiress George Widener (born 1962), autistic savant George Dunton Widener (1861–1912), American businessman who died in the sinking of the Titanic H. Emory Widener, Jr. (1923–2007), American judge Harry Elkins Widener (1885–1912), American book collector who died in the sinking of the Titanic Jeff Widener (born 1956), American photographer Joseph E. Widener (1871–1943), American art collector and founding benefactor of the National Gallery of Art in Washington, D.C. Peter Arrell Browne Widener (1834–1915), Philadelphia transit magnate Peter Arrell Browne Widener II (1895–1948), American race horse breeder and owner Taylor Widener (born 1994), American baseball player Warren Widener (1938–2013), American politician