William Hopper (disambiguation)
William Hopper (1915–1970) was an American actor.
William Hopper may also refer to:
- William Hopper (rugby league) (1922–2008), Welsh rugby league footballer
- William Hopper (politician) (born 1929), British banker and politician
- Bill Hopper (1891–1965), American baseball player
- Bill Hopper (footballer) (born 1938), English footballer
- William DeWolf Hopper (1858–1935), American actor, husband of Hedda Hopper, father of William Hopper (1915–1970).
See also
- Wilbert Hopper (1933–2006), Canadian civil servant and businessman