John Frederick Campbell, 1st Earl Cawdor (8 November 1790 – 7 November 1860) was a British earl and MP.

He was born the son of John Campbell, 1st Baron Cawdor

John Campbell, 1st Baron Cawdor

John Campbell of Cawdor, 1st Baron Cawdor of Castlemartin was the son of Pryse Campbell and Sarah Bacon.He married Lady Isabella Caroline Howard, daughter of Frederick Howard, 5th Earl of Carlisle and Lady Margaret Caroline Leveson-Gower, on 28 July 1789...

 and Lady Caroline Howard and educated at Eton College

Eton College

Eton College, often referred to simply as Eton, is a British independent school for boys aged 13 to 18. It was founded in 1440 by King Henry VI as "The King's College of Our Lady of Eton besides Wyndsor"....

 and Christ Church, Oxford

Christ Church, Oxford

Christ Church or house of Christ, and thus sometimes known as The House), is one of the largest constituent colleges of the University of Oxford in England...

, graduating BA in 1912. In 1827 he became Viscount Emlyn of Emlyn and Earl Cawdor

Earl Cawdor

Earl Cawdor, of Castlemartin in the County of Pembroke, is a title in the Peerage of the United Kingdom. It was created in 1827 for John Campbell, 2nd Baron Cawdor...

 of Castlemartin in the county of Pembroke.

In June 1812 he was elected a Fellow of the Royal Society.

He was MP for Carmarthen

Carmarthen (UK Parliament constituency)

Carmarthen was the name of a parliamentary constituency in Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom between 1542 and 1997...

 from 1813 to 1821 and Lord Lieutenant of Carmarthenshire

Lord Lieutenant of Carmarthenshire

This is a list of people who have served as Lord Lieutenant of Carmarthenshire. After 1762, all Lord Lieutenants were also Custos Rotulorum of Carmarthenshire...

 from 1817 to 1860. He died on his family estate at Stackpole, Pembrokeshire.

He had married Lady Elizabeth Thynne, daughter of Sir Thomas Thynne, 2nd Marquess of Bath

Thomas Thynne, 2nd Marquess of Bath

Thomas Thynne, 2nd Marquess of Bath KG , styled Viscount Weymouth from 1789 until 1796, was a British peer.-Background and education:...

 and Hon. Isabella Elizabeth Byng, on 5 September 1816. They had seven children:

• Georgiana Campbell
• John Frederick Vaughan Campbell, 2nd Earl Cawdor
  John Campbell, 2nd Earl Cawdor
  John Frederick Vaughan Campbell, 2nd Earl Cawdor was the son of John Frederick Campbell, 1st Earl Cawdor and Lady Elizabeth Thynne. He married Sarah Mary Compton-Cavendish, daughter of General Hon. Henry Frederick Compton-Cavendish and Sarah Fawkener, on 28 June 1842. There are six children of the...
  
   (1817–1898)
• Lady Emily Caroline Campbell (c 1821–1911)
• Lady Elizabeth Lucy Campbell (1822–1898)
• Lady Mary Louisa Campbell (c 1825–1916)
• Rev.Archibald George Campbell (1827–1902)
• Lt-Col. Henry Walter Campbell (1835–1910)