William Elder

William Elder may refer to:
 * William Elder (engraver) (fl. 1680–1700), Scottish engraver
 * William Elder (Canadian politician) (1822–1883), Presbyterian clergyman, journalist and political figure in New Brunswick
 * William Henry Elder (1819–1904), American archbishop
 * William Wiles Elder (c. 1885 – 1960), American college football player and coach
 * William Hanna Elder (1913–2006), American zoologist
 * Will Elder (1921–2008), American illustrator and comic book artist
 * Bill Elder (newscaster) (1938–2003), American news anchor and investigative reporter