|Sir John Rivers|
|Lord Mayor of London|
|Preceded by||Lionel Duckett|
|Succeeded by||James Hawes|
|Sheriff of London|
Sir John Rivers (died 27 February 1584) was a Tudor-era businessman who became Lord Mayor of London.
He was a grocer and member of the Worshipful Company of Grocers, Sheriff of London in 1566, and Lord Mayor of London in 1573. He was knighted in 1574 and served as President of St. Thomas' Hospital between 1580 and 1584. He also served as an Alderman for the London wards of Farringdon between 1565–1568, Broad Street between 1568–1574, and Walbrook between 1574-1584.
He married Elizabeth Barne, daughter of Sir George Barne II, and they had Sir George Rivers, who was a Member of Parliament and progenitor of the Rivers baronetcy. Rivers was lay rector at St. Mary's Church, Hadlow, Kent.
- "Sir John Ryvers", History of the ward of Walbrook in the city of London: together with an account of the aldermen of the ward and of the two remaining churches, S. Stephen, Walbrook, & S. Swithin, London Stone, with their rectors, p. 209, Retrieved 12 Aug 2011.
- "Sir John Rivers", Some account of the worshipful company..., p. 252, Retrieved 5 Oct 2009.
- "Aldermen of London"[unreliable source], Tudor Place, Retrieved 5 Oct 2009.
- "Barne", Visitation of England and Wales, p. 122, Retrieved 5 Oct 2009.
- Dumbreck, William Vincent (1983). A short history of St. Mary's, Hadlow. Hadlow: St Mary's Church.