John Ackroyd

John Ackroyd may refer to:


 * John Ackroyd (footballer, born 1868) (1868–?), footballer for Grimsby Town and Rotherham Town
 * John Ackroyd (footballer, born 1895) (1895–1967), footballer for Exeter City, Grimsby Town and Rotherham County
 * John Ackroyd (engineer) (1937–2021), designer of the world land speed record car Thrust2
 * John Arthur Ackroyd (1949–2016), American serial killer and rapist