William Ashby (disambiguation)

William Ashby (1786–1847) was a cricketer.

William Ashby may also refer to:

• William Ross Ashby (1903–1972), English psychiatrist and cyberneticist
• William Ashby (died 1543), MP for Leicestershire (UK Parliament constituency)
• William Ashby (died 1593), MP for Chichester and Grantham
• William Ashby, character in The Witch of Blackbird Pond
• Bill Ashby, coach at Maine Sting