John Clerk may refer to:
- John Clerk (fl.1414), MP for Reading (UK Parliament constituency)
- John Clerk (fl.1419-1421), MP for Shaftesbury (UK Parliament constituency)
- John Clerk (bishop) (died 1541), former bishop of Bath and Wells
- John Clerk of Eldin (1728–1812), Scottish Enlightenment figure, artist, and author of An Essay on Naval Tactics
- John Clerk (writer) (died 1552), English Roman Catholic writer
- John Clerk, Lord Eldin (1757–1832), Scottish judge
- John Clerk (MP for Scotland), see List of members of the 1st Parliament of Great Britain
- Clerk baronets
- John Clerk of Penicuik (1611–1674), Scottish merchant
- Sir John Clerk, 1st Baronet (died 1722), Member of the Parliament of Scotland
- Sir John Clerk, 2nd Baronet (1676–1755), Scottish lawyer, judge, and composer
- Sir John Clerk, 5th Baronet (died 1798), Royal Navy officer
Famous quotes containing the word clerk:
“Seynt Stevene was a clerk in Kyng Herowdes halle.
And servyd him of bred and cloth, as every kyng befalle.”
—Unknown. St. Stephen and King Herod (l. 1–2)