William, Bill or Billy Bass may refer to: William M. Bass (born 1928), American forensic anthropologist Sir William Bass, 2nd Baronet (1879–1952), British racehorse owner William Bass (brewer) (1717–1787), British entrepreneur founder of Bass Brewery Bill Bass (1922–1967), Canadian football player Big Mouth Billy Bass, an animatronic fish Billy Bass Nelson (born 1951), American musician See also Bass (surname)