Robert Hansen (1939–2013) was an American serial killer.
Robert Hansen may also refer to:
Robert Hansen (actor) (born 1979), Danish actor Robert B. Hansen (1925–2005), Attorney General of Utah Robert Emil Hansen (1860–1926), Danish composer and cellist Robert W. Hansen (1911–1997), American jurist from Wisconsin Robert Hansen Jr. (born 2004), Australian rules footballer Robert Hanssen (1944–2023) FBI, spy Bob Hansen (born 1961), American basketball player Bob Hansen (baseball) (born 1948), Major League Baseball first baseman
See also Robert Hanssen (1944–2023), FBI agent and KGB spy Bob Hansson (born 1970), Swedish poet and author Robert Hanson (disambiguation)