William Dyer
William Dyer may refer to:
- William Dyer , early settler of the Colony of Rhode Island and Providence Plantations
- William Dyer , English cricketer of the 1830s
- William Dyer, English footballer
- William John Dyer, New Zealand businessman and politician
- William Dyer, a fictional character, the narrator of H. P. Lovecraft's novella At the Mountains of Madness
- William J. Dyer, American actor
- William A. Dyer, American journalist
- Bill Dyer , Australian rules footballer
- William G. Dyer, American educator
- Willie Dyer, Scottish footballer
- William Dyer, 1st Dyer baronet of Tottenham from 1678 to 1681
- Bill Dyer, American broadcaster at two Major League Baseball All-Star Games