William Daley

William or Bill Daley may refer to:
 * Bill Daley (American football) (1919–2015), American football player
 * Bill Daley (baseball) (1868–1922), American baseball player
 * William Daley (Australian politician) (1870–1944), New South Wales politician
 * William Daley (ceramist) (1925–2022), American ceramist and professor
 * William M. Daley (born 1948), American politician from Illinois, former White House Chief of Staff
 * William R. Daley (1892–1971), American baseball executive
 * Billy Silverman (William Daley, born 1962), American wrestling referee