John Dyson may refer to:

Sport John Dyson (cricketer, born 1954), Australian international cricketer John Dyson (rugby) (1866–1909), English rugby union player John Dyson (cricketer, born 1913) (1913–1991), English cricketer John Barry Dyson (1942–1995), English association footballer for several Football League clubs including Tranmere Rovers and Watford Jack Dyson (1934–2000), English first-class cricketer

Other John Dyson, Lord Dyson (born 1943), judge in the English High Court and later the Supreme Court John S. Dyson, political and business leader in New York John Dyson, musician best known as a member of the former 1980s New Age instrumental duo Wavestar