William Thorpe
William Thorpe may refer to:
- William [de Thorpe], English Chief Justice
- William Thorpe, putative author of the 1407 Lollard text The Testimony of William Thorpe
- William [Homan Thorpe], British ethologist
- William [Walford Thorpe], ethnologist of the Australian Museum
- Billy Thorpe, English-born Australian singer-songwriter, producer, and musician