William Fisher
William Fisher may refer to:
- William Arms Fisher (1861–1948), American music historian
- William Frederick Fisher (born 1946), American astronaut
- William Fisher (rear-admiral)
- William Webster Fisher
- William Hayes Fisher, 1st Baron Downham (1853–1920), British politician
- William Wordsworth Fisher (1875–1937), British admiral
- William W. Fisher, American legal academic
- William Fisher (mayor), Mayor of Philadelphia, served 1773–1774
- William Fisher (boxer), known as Willie Fisher, (born 1940), Scottish boxer
- William Fisher (Nova Scotia politician) (1716–1777), farmer and politician in Nova Scotia
- William Fisher, the Kirk Elder of Mauchline, who inspired Burn's poem Holy Willie's Prayer
- See also