Sir William Williams, 1st Baronet explained
Sir William Williams, 1st Baronet may refer to:
- Sir William Williams, 1st Baronet, of Vaynol (died)
- Sir William Williams, 1st Baronet, of Tregullow (1791-1870), see Williams family of Caerhays and Burncoose
- Sir William Williams, 1st Baronet, of Gray's Inn (1634-1700), Welsh lawyer and politician, speaker of the House of Commons
- Sir William Williams, 1st Baronet, of Kars (1800 - 1883), British military leader of the Victorian era, Member of Parliament for Calne (1856–1859)
- Sir William Williams, 2nd Baronet, of Clapton ( - 1761) Member of Parliament for New Shoreham (1758–1761)
- Sir William Williams, 2nd Baronet, of Gray's Inn ( - 1740), Welsh politician, Member of Parliament for Denbigh (1708–1710)
See also
