William Astor may refer to:

• William Backhouse Astor Sr. (1792–1875), American businessman and member of the Astor family
• William Backhouse Astor Jr. (1829–1892), American businessman and son of the above
• William Waldorf Astor (1848–1919), American-born English politician and nephew of the above
• William Astor, 3rd Viscount Astor (1907–1966), English politician and grandson of the above
• William Astor, 4th Viscount Astor (born 1951), English politician and son of the above

Topics referred to by the same term

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