William Hansen may refer to: Politics William C. Hansen (1891–1983), American educator and politician William D. Hansen, American businessman and politician William O. Hansen (1860–1930), American politician Bill Hansen (politician) (born 1931), American politician in Iowa Others William Hansen (actor) (1911–1975), American actor William Hansen (classicist) (born 1941), American scholar and author William Hansen (field hockey) (born 1939), Belgian Olympic hockey player Bill Hansen (scientist) (born 1949), American scientist W. W. Hansen (William Webster Hansen, 1909–1949), American physicist Willy Hansen (Willy Falck Hansen, 1906–1978), Danish cyclist See also William Hanson (disambiguation)