Henry Watkins Williams-Wynn (16 March 1783 – 28 March 1856) was a British MP in the early 19th century. Williams-Wynn sat for Midhurst from January to May 1807. He was the youngest son of Sir Watkin Williams-Wynn, 4th Baronet, by his second wife Charlotte Grenville, daughter of Prime Minister George Grenville.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "M" (part 2)[self-published source][better source needed]; Retrieved 8 November 2011
- Lee, Sidney, ed. (1900). "Wynn, Henry Watkin Williams". Dictionary of National Biography. 63. London: Smith, Elder & Co.
|Parliament of the United Kingdom|
|Member of Parliament for Midhurst
January 1807 – May 1807
With: William Conyngham Plunket
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