William Baxter may refer to:

• William Baxter (Nova Scotia politician) (1760–1832), physician and politician in Nova Scotia
• William Edward Baxter (1825–1890), British politician and traveller
• William Duncan Baxter (1868–1960), mayor of Cape Town, South Africa, 1907–1908
• William Baxter (Scottish politician) (1911–1979), British Labour Party politician, MP 1959–1974

• William Baxter (scholar) (1650–1723), Welsh scholar
• William Baxter (Oxford Botanic Garden curator) (1787–1871), Scots botanist, author of British Phaenogamous Botany
• William Baxter (botanist) (1787–c. 1836), English botanist who collected in Australia
• William Baxter (law professor) (1929–1998), American law professor
• William H. Baxter (born 1949), American linguist
• William Baxter (clergyman) (1820–1880), second president of Arkansas College

• William Giles Baxter (1856–1888), English cartoonist
• William Robert Baxter (born 1960), British hospitality entrepreneur
• William "Bucky" Baxter (1955–2020), American guitarist
• Will Baxter, a fictional character in Eureka Seven anime series

• Bill Baxter (disambiguation)
• Billy Baxter (disambiguation)

This disambiguation page lists articles about people with the same name.
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