The Rivers, later Rivers-Gay, later Rivers Baronetcy, of Chafford in the County of Kent, was a title in the Baronetage of England. It was created on 19 July 1621 for John Rivers. He was a grandson of Sir John Rivers, Lord Mayor of London

Lord Mayor of London

The Right Honourable Lord Mayor of London is the legal title for the Mayor of the City of London Corporation. The Lord Mayor of London is to be distinguished from the Mayor of London; the former is an officer only of the City of London, while the Mayor of London is the Mayor of Greater London and...

 between 1573 and 1574. The sixth Baronet assumed the additional surname of Gay in circa 1760. This surname was also used by the seventh Baronet but not by any subsequent Baronets. The title became extinct on the death of the eleventh Baronet in 1870.

Rivers, later Rivers-Gay, later Rivers Baronets, of Chafford (1621)

• Sir John Rivers, 1st Baronet (c. 1579-c. 1651)
• Sir Thomas Rivers, 2nd Baronet
  Sir Thomas Rivers, 2nd Baronet
  Sir Thomas Rivers, 2nd Baronet was an English politician who sat in the House of Commons in 1656.Rivers was the son of James Rivers and his wife Charity Shirley, daughter of Sir John Shirley of Isfield Sussex...
  
  (d. 1657)
• Sir John Rivers, 3rd Baronet (d. c. 1679)
• Sir George Rivers, 4th Baronet (1665-1734)
• Sir John Rivers, 5th Baronet (c. 1718-1743)
• Sir Peter Rivers-Gay, 6th Baronet (c. 1721-1790)
• Sir Thomas Rivers-Gay, 7th Baronet (c. 1770-1805)
• Sir James Rivers, 8th Baronet (1772-1805)
• Sir Henry Rivers, 9th Baronet (c. 1779-1851)
• Sir James Francis Rivers, 10th Baronet (1822-1869)
• Sir Henry Chandos Rivers, 11th Baronet (1834-1870)