John Eyles (died 1703), of Great St. Helens, London and Southbroom, near Devizes, Wiltshire, was an English politician.
[citation needed] He was a member (MP) of the Parliament of England for Devizes in October 1679, and briefly Lord Mayor of London for September–October 1688.
[citation needed] He died in 1703 and was buried at St Helen's Church, Bishopsgate on 5 July.
He had married Sarah Cowper of London and had 2 sons and 5 daughters.
His daughter, Sarah Eyles, married Joseph Haskin Stiles and their daughter, Mary Haskin Styles, was married to Sir John Eyles, 2nd Baronet.