Sir William Smyth, 1st Baronet (c. 1616 – 1696) was an English politician who sat in the House of Commons at various times between 1640 and 1679.
He matriculated at Trinity College, Oxford, on 13 March 1635 aged 18, but left without taking a degree.
He supported the King in the Civil War and was governor of Chepstow Castle.
[1] After the Restoration of the Monarchy, Smyth was created baronet of Redcliff, Buckinghamshire on 10 May 1661.
[2] Smyth died at Stepney at the age of about 80 and requested in his will to be buried at Akeley.