William Thorpe

William Thorpe may refer to:

• William de Thorpe (died 1361), English Chief Justice
• William Thorpe, putative author of the 1407 Lollard text The Testimony of William Thorpe
• William Homan Thorpe (1902–1986), British ethologist
• William Walford Thorpe (1869–1932), ethnologist of the Australian Museum
• Billy Thorpe (1946–2007), English-born Australian singer-songwriter, producer, and musician