William Sweeney

William or Bill Sweeney may refer to:


 * Bill Sweeney (first baseman) (1904–1957), baseball player
 * Bill Sweeney (footballer) (1914–1973), Australian footballer
 * Bill Sweeney (ice hockey) (1937–1991), Canadian ice hockey player
 * Bill Sweeney (infielder) (1886–1948), American baseball player
 * Bill Sweeney (pitcher) (1858–1903), baseball player
 * Bill Sweeney (CEO), CEO of the International Foundation for Electoral Systems
 * William Sweeney (composer) (born 1950), Scottish composer
 * William J. Sweeney (Wisconsin politician), American politician
 * William N. Sweeney (1832–1895), American politician
 * William Sweeney (Medal of Honor) (1856–?), U.S. Navy sailor and Medal of Honor recipient
 * W. Allison Sweeney (1851–1921), American newspaper writer, editor, and owner