John Ernle (disambiguation)

John Ernle (or Ernley) may refer to:

• John Ernley (1464/5-1520), Solicitor General, Attorney General, and Lord Chief Justice of the Court of Common Pleas
• John Ernle (1620–1697), Chancellor of the Exchequer from 1676 to 1689
• John Ernle (Royal Navy officer) (1647-1686), naval officer of the Third Anglo-Dutch War, son of the Chancellor of the Exchequer