John Clerk
John Clerk may refer to:
- John Clerk (fl. 1414), MP for Reading
- John Clerk (fl. 1419–1421), MP for Shaftesbury, perhaps also an attorney or yeoman
- John Clerk (bishop), former bishop of Bath and Wells
- John Clerk of Eldin, Scottish Enlightenment figure, artist, and author of An Essay on Naval Tactics
- John Clerk (writer), English Roman Catholic writer
- John Clerk, Lord Eldin, Scottish judge
- John Clarke (physician, 1582–1653), English physician. His last name was also spelt Clerk.
- John Clerk (physician), Scottish physician
- Clerk baronets
- *John Clerk of Penicuik, Scottish merchant
- *Sir John Clerk, 1st Baronet, Member of the Parliament of Scotland
- *Sir John Clerk, [2nd Baronet], Scottish lawyer, judge, and composer
- *Sir John Clerk, 5th Baronet, Royal Navy officer