Sir John Wynn, 2nd Baronet (September 1701 – 14 February 1773) was a British Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

, the eldest son of Sir Thomas Wynn, 1st Baronet and his wife Frances Glynn.

He represented the constituencies of Caernarvonshire

Caernarvonshire (UK Parliament constituency)

Caernarvonshire was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1885 and from 1918 until 1950. It elected one Member of Parliament by the first past the post...

 (29 Apr 1754 - 1 April 1761) and Caernarvon

Caernarfon (UK Parliament constituency)

Caernarfon was a parliamentary constituency centred on the town of Caernarfon in Wales. It elected one Member of Parliament by the first past the post system....

 1761–1768. He was appointed Custos Rotulorum of Caernarvonshire

Custos Rotulorum of Caernarvonshire

This is a list of people who have served as Custos Rotulorum of Caernarvonshire.* Sir Richard Bulkeley c. 1544* John Wyn ap Meredith c. 1558* Maurice Wynn bef. 1562 – aft. 1577* Robert Dudley, 1st Earl of Leicester bef. 1579–1588...

 in 1756.

Before 1735, he married Sydney, sister of Sir Watkin Williams-Wynn, 3rd Baronet, by whom he had several children, including:

• Thomas Wynn, 1st Baron Newborough
  Thomas Wynn, 1st Baron Newborough
  Thomas Wynn, 1st Baron Newborough , known as Sir Thomas Wynn, 3rd Baronet, from 1773 to 1776, was a British Member of Parliament.Wynn was the son of Sir John Wynn, 2nd Baronet...
  
   (1736–1807)
• Glyn Wynn (c.1739–1793)