The Earldom of Gainsborough has been created twice, once in the Peerage of England and once in the Peerage of the United Kingdom. The first creation ended in extinction when the sixth Earl died without heirs.
The Earl is also, in the Peerage of the United Kingdom Viscount Campden (created 1841), Baron Barnham (1805) and Baron Noel (1841).
Earls of Gainsborough, First Creation (1682)
- Edward Noel, 1st Earl of Gainsborough (1641-1689)
- Wriothesley Baptist Noel, 2nd Earl of Gainsborough (d. 1690)
- Baptist Noel, 3rd Earl of Gainsborough (1684-1714)
- Baptist Noel, 4th Earl of Gainsborough (1708-1751)
- Baptist Noel, 5th Earl of Gainsborough (1740-1759)
- Henry Noel, 6th Earl of Gainsborough (1743-1798)
Earls of Gainsborough, Second Creation (1841)
- Charles Noel Noel, 1st Earl of Gainsborough (1781-1866)
- Charles George Noel, 2nd Earl of Gainsborough (1818-1881)
- Charles William Francis Noel, 3rd Earl of Gainsborough (1850-1926)
- Arthur Edward Joseph Noel, 4th Earl of Gainsborough (1884-1927)
- Arthur Gerard Edward Noel, 5th Earl of Gainsborough (b. 1923)
